Sector Strength & Weakness
Gaining Sectors
Consumer Electronics+12.40%
Internet & Catalog Retail+11.06%
Semiconductors & Semiconductor Equipment+5.98%
Electronic Equipment & Instruments+5.07%
Declining Sectors
Life Sciences Tools & Services-4.51%
Gaming & Entertainment-3.67%
79 sectors · 35 up · 0 unchanged · 44 down · 10 fewer advancing sectors than the prior session’s 45
Office Supplies -3.42% · one-stock sectorSector-index return equals the single stock’s return · rank shown as is
Aerospace & Defense +4.58% · previous session -5.97%, rebounding · Hanwha Aerospace +5.28%
Sector Read-Through
01Inside the +12.40% Consumer Electronics sector
The sector leader and the stock inside it· Sector · Theme · Stock classification shown explicitly
| Name | Classification | Change |
|---|
| LG Electronics | Stock | +12.82% |
| Consumer Electronics | Sector | +12.40% |
| IT Bellwether | Theme | +5.31% |
| Electronic Equipment & Instruments | Sector | +5.07% |
Consumer Electronics · previous session -4.15% → today +12.40% · No. 1 among 79 sectors
Of 16 stocks: 9 up · 1 unchanged · 6 down · only a slim breadth advantage
LG Electronics, the largest stock by market cap, +12.82% · determined the direction of the sector index
LG Electronics catalyst · reports that LG Chairman Koo Kwang-mo is scheduled to meet Nvidia CEO Jensen Huang
Market-Cap WeightedSector indexes weight stocks in proportion to market cap · larger stocks exert more influence effect · fourth straight day after Nonferrous Metals on Aug. 7, Semiconductors on Aug. 10, and Aerospace & Defense on Aug. 11
Internet & Catalog Retail +11.06% also had only 3 advancers out of 6 stocks · both leading sectors had only narrow breadth
The direction of the sector index was decided by one heavyweight stock · check separately from stock-count breadth
02The Gap Inside Semiconductors
Bellwethers vs. Suppliers· Sector/theme classification shown explicitly
| Name | Classification | Change |
|---|
| Semiconductors & Semiconductor Equipment | Sector | +5.98% |
| S7A thematic basket grouping seven large-cap semiconductor stocks, including Samsung Electronics and SK Hynix(Large-Cap Semiconductors) | Theme | +5.42% |
| Leading Semiconductor Stocks (Production) | Theme | +4.75% |
| Semiconductor Substrates | Theme | +3.68% |
| HBMHigh Bandwidth Memory · stacked architecture widens data pathways · used in AI servers | Theme | +2.89% |
| Semiconductor Materials/Components | Theme | +2.34% |
Semiconductors & Semiconductor Equipment · previous session +2.52% → today +5.98% · second straight session of gains
Of 171 stocks: 129 up · 8 unchanged · 34 down · up from 122 advancers the prior session, so breadth itself remained broad
Large-Cap Theme +5.42% · +4.75% vs. Materials, Parts & EquipmentMaterials, Parts & Equipment · suppliers of materials and equipment to major semiconductor producers group +3.68% · +2.89% · +2.34%
Short SellingSell borrowed shares → bet on a decline · turnover basis No. 1 by short-selling turnover: Samsung Electronics KRW503.5bn (4.9% share) · No. 2 SK Hynix KRW281.0bn (2.8%)
Advancing stocks were broad, but the intensity of gains was concentrated in large caps · the gap widened from the prior session
Semiconductor sector up for a second straight session · today’s key is not breadth itself, but the skew in return intensity
03The Space Vacated by Pharma & Biotech
Four at the Back· All sector-weighted values
| Sector | Change | Advancers · Decliners |
|---|
| Life Sciences Tools & Services | -4.51% | 17 · 20 |
| Pharmaceuticals | -3.17% | 43 · 117 |
| Health Care Equipment & Supplies | -2.54% | 38 · 55 |
| Biotechnology | -1.80% | 20 · 32 |
Pharmaceuticals · 117 decliners out of 175 stocks · sector index and stock count pointed in the same direction
Life Sciences Tools & Services · 17 advancers and 20 decliners out of 41 stocks · index decline larger than the stock-count gap
Samsung Biologics -3.73% · No. 8 by market cap · close KRW1,549,000
Institutional Net Selling · Alteogen −KRW38.6bn · Celltrion −KRW33.2bn · Samsung Biologics −KRW23.3bn
No specific stock-level catalyst confirmed · timing overlapped with heavy buying in large-cap semiconductors
Causality is left unasserted · only the timing overlap with capital concentration in semiconductors is confirmed
On the opposite side of the index rally · all four pharmaceutical/biotech groups were among the laggards
What to Watch Next Session
Next-Session Probability· Upside bias based on domestic closing signals
55:45 · not a quantitative forecast probability · relative weight of conditions confirmed at the 15:30 close
UpsideForeign cash equities +KRW2.8357tn · second straight session of buyingInstitutional cash equities +KRW527.7bn · fourth straight session of buyingSemiconductors & Semiconductor Equipment +5.98% · widened from +2.52% the prior sessionTurnover KRW26.21tn · 112% of the five-day averageProgram TradingAutomated multi-stock orders · a channel through which indexes and investor flows move +KRW289.5bn · turned to buying after four straight sessions of selling
DownsideAdvancer ratio 41.9% · seven-session streak of advancers leading endedForeign FuturesKOSPI200 futures net-buy amount · KRX derivatives data · value basis −KRW279.0bn · turned to selling after four straight sessions of buying · diverged from heavy cash-equity buying35 of 79 sectors advanced · down from 45 the prior sessionForeign investors and institutions both sold KOSDAQ for a second straight sessionProfit-taking pressure after the one-day surge · U.S. inflation data due tonight
Key Flow SignalsAt Market Close
Foreign Cash Equities+KRW2.8357tnSecond straight session of buying · amount surged
Foreign Futures−KRW279.0bnTurned to selling after four straight sessions of buying
Samsung Electronics+KRW1.4816tnNo. 1 foreign net-buy stock
SK Hynix+KRW852.2bnReversed from yesterday’s No. 1 net-sell rank
KOSPI Breadth41.9%Previous session 62.0%
KOSDAQ Breadth51.7%Previous session 63.9%
Next Confirmation Conditions
FlowsWhether foreign cash-equity buying extends to a third session · whether futures selling extends · cash and futures realign on the buy side → upside · cash buying narrows + futures selling persists → retracement
BreadthWhether the advancer ratio recovers above 50%· Whether leadership rotates into sectors that failed to rise today· Whether KOSDAQ breaks above 860.76 If the index rises without a recovery in breadth, reduce the upside weight
Price · VariablesWhether KOSPI holds 6,550.94 at the close · whether 6,668.43 is retested · tonight’s U.S. July CPIConsumer Price Index · monthly inflation measure from the U.S. Bureau of Labor Statistics · Aug. 13 U.S. July PPIInflation based on producer selling prices · released the day after CPI
Flow · Breadth Detail
Flow StructureKOSPI· Naver Finance investor data
Retail−KRW3.1912tn
Foreign+KRW2.8357tn
Institutions+KRW527.7bn
Data basis · investor-level totals = Naver Finance · stock-level = KRX · market scopes differ → no cross-aggregation or share calculations
Previous session: all three investor groups below KRW100bn · today: all three above KRW500bn
Institutions bought for a fourth straight session · retail sold for a second straight session
KOSDAQ · Retail +KRW314.9bn · Foreign −KRW162.2bn · Institutions −KRW147.7bn
Heavy foreign cash-equity buying and futures selling occurred on the same day · spot and futures directions diverged
The scale of flows changed in one day · confirmed alongside KRW26.21tn turnover
Foreign FuturesKOSPI200 futures net-buy amount · KRX derivatives data · value basis−KRW279.0bn
Program TradingAutomated multi-stock orders · a channel through which indexes and investor flows move(KOSPI)+KRW289.5bn
USD/KRWDomestic FX daytime-session close (09:00–15:30)1,415.7 ▼0.2
Market BreadthShare of advancing stocks · gauge of how broadly gains and losses are distributed
KOSPI 383 / 913 = 41.9% Advancers 380· Limit-up 3· Unchanged 53· Decliners 477· Limit-down 0
KOSDAQ 894 / 1,730 = 51.7% Advancers 886· Limit-up 8· Unchanged 83· Decliners 753· Limit-down 0
Previous session 62.0% · 63.9% · both markets narrowed
KOSPI: 477 decliners · more than 380 advancers
Index direction and the share of advancing stocks diverged
Advancers lost their lead after seven sessions · index and stock-level breadth closed in opposite directions
Turnover KRX data
| Market | Turnover | vs. 5-Day Average |
|---|
| KOSPI | KRW26.21tn | 112% |
| KOSDAQ | KRW6.52tn | 103% |
KOSPI turnover · 88% → 112% of five-day average · absolute amount KRW21.59tn → KRW26.21tn
KOSDAQ turnover · 110% → 103% of five-day average
Short SellingSell borrowed shares → bet on a decline · turnover basis · KOSPI KRW1.56tn · 4.1% of combined KRX+NXT turnover · prior session KRW1.69tn · 5.6%
Short SellingSell borrowed shares → bet on a decline · turnover basis · KOSDAQ KRW0.36tn · 4.5% on the same basis
Turnover KRW21.59tn → KRW26.21tn · up KRW4.62tn · a rise accompanied by higher trading value
Last 5 Sessions
Last 5 Sessions KOSPI· Naver Finance investor data
08.12Retail−KRW3.19tnForeign+KRW2.84tnInstitutions+KRW0.53tn
Foreign · second straight session of buying · amount enters the KRW2tn range · concentrated in five large-cap IT names · institutions bought for a fourth session · retail selling continued
08.11Retail−KRW0.07tnForeign+KRW0.04tnInstitutions+KRW0.03tn
Foreign · turned to buying after three straight selling sessions · all three investor groups below KRW100bn · institutions bought for a third session · retail turned to selling
08.10Retail+KRW0.90tnForeign−KRW1.49tnInstitutions+KRW0.57tn
Foreign · third straight session of selling · amount again exceeded KRW1tn · concentrated in three large IT names · institutional buying extended
08.07Retail+KRW0.27tnForeign−KRW0.86tnInstitutions+KRW0.58tn
Foreign · selling extended · amount 26% of prior session · institutions turned to buying for first time in five sessions
08.06Retail+KRW3.34tnForeign−KRW3.33tnInstitutions−KRW0.12tn
Foreign · switched to selling after one session · concentrated in three semiconductor names · retail resumed buying
Five-session cumulative flow (Aug. 6–Aug. 12) · Retail +KRW1.25tn · Foreign −KRW2.80tn · Institutions +KRW1.59tn
Foreign · Aug. 5 +KRW1.45tn drops out + Aug. 12 +KRW2.84tn enters → cumulative −KRW4.19tn → −KRW2.80tn
KOSDAQ five-session cumulative · Foreign −KRW917.0bn · Institutions +KRW379.0bn · Retail +KRW503.0bn
KOSPI200 futures five-session cumulative · Foreign +KRW2.12tn · Institutions −KRW1.90tn · Retail −KRW210.0bn
Futures ·Program TradingAutomated multi-stock orders · a channel through which indexes and investor flows move
Foreign FuturesKOSPI200 futures net-buy amount · KRX derivatives data · value basis
−KRW279.0bn
Turned to selling after four straight sessions of buying · opposite direction from heavy cash-equity buying · KRX derivatives value basis
Institutional Futures
−KRW144.0bn
Institutions −KRW144.0bn · same direction as foreign investors · retail +KRW263.0bn
Program TradingAutomated multi-stock orders · a channel through which indexes and investor flows move(KOSPI)
+KRW289.5bn
Arbitrage −KRW116.3bn · non-arbitrage +KRW405.8bn · turned to buying after four straight selling sessions
Cash-Futures Closing Basis
+3.17
Cash 1,029.43 · Futures 1,032.60 · market closes differ at 15:30 / 15:45 · same-time futures price unverified → excluded from directional signals
Cash buying · futures selling · exact opposite of yesterday's combination
Non-arbitrage +KRW405.8bn · Arbitrage −KRW116.3bn · Index-tracking buying Program TradingAutomated multi-stock orders · a channel through which indexes and investor flows move turned total program flow positive
KOSDAQ Program TradingAutomated multi-stock orders · a channel through which indexes and investor flows move −KRW120.3bn · Arbitrage −KRW1.4bn · non-arbitrage −KRW118.9bn
Program TradingAutomated multi-stock orders · a channel through which indexes and investor flows move · Already included in investor-level flows → no separate addition
Net Buying · Net Selling by Investor
Foreign
Net Buying
- Samsung Electronics+KRW1.4816tn
- SK Hynix+KRW852.2bn
- Samsung Electro-Mechanics+KRW175.9bn
- LG Electronics+KRW115.3bn
- SK Square+KRW100.8bn
Net Selling
- Samsung Electronics Pref.−KRW51.9bn
- Pearl Abyss−KRW39.1bn
- Kolmar Korea−KRW31.9bn
- Shinsegae−KRW21.3bn
- BH−KRW19.7bn
Institutions
Net Buying
- SK Hynix+KRW288.8bn
- Samsung Electronics+KRW196.2bn
- Samsung Electro-Mechanics+KRW108.7bn
- LG Electronics+KRW68.9bn
- SK Square+KRW59.2bn
Net Selling
- Simmtech−KRW54.2bn
- Samyang Foods−KRW39.8bn
- Alteogen−KRW38.6bn
- Celltrion−KRW33.2bn
- HD Hyundai Heavy Industries−KRW28.2bn
Retail
Net Buying
- Simmtech+KRW46.2bn
- Pearl Abyss+KRW45.0bn
- Alteogen+KRW38.5bn
- Celltrion+KRW28.8bn
- OliX Pharmaceuticals+KRW28.2bn
Net Selling
- Samsung Electronics−KRW1.5332tn
- SK Hynix−KRW1.1363tn
- Samsung Electro-Mechanics−KRW274.8bn
- LG Electronics−KRW183.3bn
- SK Square−KRW154.8bn
The top five net-buy names for both foreign investors and institutions exactly matched retail's top five net-sell names
SK Hynix · foreign No. 1 net-sell yesterday at −KRW298.5bn → No. 2 net-buy today at +KRW852.2bn
Kolmar Korea · Foreign −KRW31.9bn / Institutions +KRW24.5bn · Close +27.06% · Investor directions diverged
Retail's top five net buys · all outside large-cap IT · mix of materials/parts/equipment, gaming and biotech
Next Path
Foreign cash-futures divergence · next path depends on tonight's inflation data
Buying ExtendsForeign cash-equity buying for a third straight session + futures selling narrows → retest 6,668.43 · confirmation requires breadth to recover alongside it
RotationCPIConsumer Price Index · monthly inflation measure from the U.S. Bureau of Labor Statistics consensusThe average of brokerage estimates CPI in line + U.S. 10-year yield and dollar stable + foreign cash buying persists → large-cap concentration eases · watch whether the advancer ratio recovers
RetracementCPIConsumer Price Index · monthly inflation measure from the U.S. Bureau of Labor Statistics consensusThe average of brokerage estimates CPI above expectations + U.S. 10-year yield and dollar rise + USD/KRW rebounds + Foreign FuturesKOSPI200 futures net-buy amount · KRX derivatives data · value basis futures selling persists → watch whether 6,550.94 holds
Next confirmation · advancer ratio back above 50% + whether foreign cash and futures realign on the buy side
Upcoming Schedule6 Events
Aug. 12 (Wed)
21:30
U.S. July CPIConsumer Price Index · monthly inflation measure from the U.S. Bureau of Labor Statistics
First external variable after the index surge · inflation result → check the direction of rates
Aug. 13 (Thu)
05:30
CiscoLeading U.S. networking-equipment stock · AI data-center connectivity gear · gauge of AI-infrastructure spending Earnings
Released after the U.S. regular-session close · consecutive check on AI-infrastructure demand
Aug. 13 (Thu)
21:30
U.S. July PPIInflation based on producer selling prices · released the day after CPI
Producer inflation · follow-up check one day later
Aug. 14 (Fri)
05:30
Applied MaterialsLeading U.S. semiconductor-equipment stock · major customers include Samsung Electronics, SK Hynix and TSMC · leading read on semiconductor capex Earnings
Representative semiconductor-equipment name · check the direction of capex
Aug. 14 (Fri)
21:30
U.S. July Retail Sales
Test whether labor weakness is spilling into consumption
Aug. 17 (Mon)
Liberation Day substitute holiday · Korean equity market closed
Korea trades through Aug. 14 this week; next week opens Tuesday · Aug. 19 FOMC minutes and Aug. 27 BOK meeting follow afterward
Economic Data · Earnings Benchmarks
Sequential checks begin tonight· All release times are KST
| Name | Release | Benchmark |
|---|
| U.S. July CPIConsumer Price Index · monthly inflation measure from the U.S. Bureau of Labor Statistics MoM (%) | Night of Aug. 12 | consensusThe average of brokerage estimates +0.1 |
| CPI YoY (%) | Night of Aug. 12 | consensusThe average of brokerage estimates 3.4 |
| Core CPI MoM (%) | Night of Aug. 12 | consensusThe average of brokerage estimates +0.2 |
| Core CPI YoY (%) | Night of Aug. 12 | consensusThe average of brokerage estimates 2.5 |
| CiscoLeading U.S. networking-equipment stock · AI data-center connectivity gear · gauge of AI-infrastructure spending Revenue ($100mn) | Early morning, Aug. 13 | consensusThe average of brokerage estimates 168.5 |
| Cisco Adjusted EPSEarnings per share · net income ÷ shares outstanding · adjusted EPS excludes one-off items($) | Early morning, Aug. 13 | consensusThe average of brokerage estimates 1.17 |
| U.S. July PPIInflation based on producer selling prices · released the day after CPI MoM (%) | Night of Aug. 13 | consensusThe average of brokerage estimates +0.2 |
| Applied MaterialsLeading U.S. semiconductor-equipment stock · major customers include Samsung Electronics, SK Hynix and TSMC · leading read on semiconductor capex Revenue ($100mn) | Early morning, Aug. 14 | consensusThe average of brokerage estimates Approx. 90 |
| Applied Materials Adjusted EPS ($) | Early morning, Aug. 14 | consensusThe average of brokerage estimates 3.36 |
| U.S. July Retail Sales MoM (%) | Night of Aug. 14 | consensusThe average of brokerage estimates +0.1 |
June CPIConsumer Price Index · monthly inflation measure from the U.S. Bureau of Labor Statistics Actual · MoM -0.4% · YoY 3.5% · core MoM flat · YoY 2.6%
CPIConsumer Price Index · monthly inflation measure from the U.S. Bureau of Labor Statistics Consensus range · headline YoY 3.2–4.1% · core YoY 2.3–2.9% · Bloomberg compilation
CiscoLeading U.S. networking-equipment stock · AI data-center connectivity gear · gauge of AI-infrastructure spending Company guidancethe company’s own quarterly or annual outlook · Revenue $16.7–16.9bn · Adjusted EPSEarnings per share · net income ÷ shares outstanding · adjusted EPS excludes one-off items $1.16–1.18
Applied Materials company guidance · revenue $8.95bn ±$0.5bn · adjusted EPS $3.36 ±$0.20
Post-close variables · As of 16:00 KST on Aug. 12 · Not final closing prices
WTI $83.54 (+0.41%) · Gold $4,459.50 (+1.75%) · Live quote
WTI · finalized Aug. 11 close $83.20 · third straight day in the $83 range
Tonight's inflation data · reference period is July · August oil prices not reflected
The inflation result is the first variable for rates and the next session's opening direction
Week-to-Date Review · Aug. 10–12
Aug. 12 (Wed)KOSPI+3.68%KOSDAQ+0.12%Foreign+KRW2.84tn
Foreign investors concentrated buying in five large-cap IT names · 11:57 Buy-Side SidecarIf the front-month KOSPI200 futures contract rises at least 5% for one minute, program buy quotes are suspended for five minutes · index surged while breadth leadership was lost
Aug. 11 (Tue)KOSPI+0.73%KOSDAQ+0.39%Foreign+KRW44.0bn
Foreign investors resumed buying Samsung Electronics · No. 1 market-cap stock returned to the front · SK Hynix near flat · prior-session growth-stock surge faded
Aug. 10 (Mon)KOSPI+0.65%KOSDAQ+6.97%Foreign−KRW1.49tn
Rate pressure eased after U.S. employment declined · KOSDAQ rose more than 6% within 50 minutes of the open · growth stocks rallied together · mega-cap semiconductors rested
Week-to-date cumulative (vs. Aug. 7 close) · KOSPI +5.12% · KOSDAQ +7.52%
Monday: KOSDAQ and small/mid caps · Tuesday and Wednesday: mega-cap semiconductors · leadership changed once and then held
Foreign KOSPI flow · Monday −KRW1.49tn → Tuesday +KRW44.0bn → Wednesday +KRW2.84tn
Technical Reference Levels· Three Indices
KOSPICurrent 6,579.04
Current
6,4056,5506,668
Support6,550.94 → 6,438.50 → 6,405.81 Aug. 6 High· Today's Open· Aug. 11 High
Resistance6,668.43 Today's High
6,405.81 and 6,550.94 both cleared in one session · 6,550.94 becomes first support · next resistance is today's 6,668.43 high
KOSPI200Current 1,029.43
Current
9871,0131,050
Support1,013.07 → 1,000 → 987.40 Aug. 3 High· Psychological Level· Aug. 11 Close
Resistance1,050 Psychological Level
1,000 and 1,013.07 cleared together · two former resistance levels turn into support · large caps led · closing-price basis
KOSDAQCurrent 858.91
Current
800839875
Support839.86 → 814.80 → 800 Today's Low· Aug. 7 High· Psychological Level
Resistance860.76 → 875.16 Today's High· Aug. 11 High
Low 839.86 · recovered after falling below prior-session low 840.45 · high 860.76 · 875.16 remains resistance
One-Line Glossary
- Limit Up· Limit Down
- Daily price limit ±30% · Aug. 12 KOSPI limit-up 3 · KOSDAQ limit-up 8 · limit-down 0
- sidecar
- If front-month KOSPI200 futures rise or fall at least 5% for one minute, program quotes are suspended for five minutes · buy-side trigger at 11:57 on Aug. 12
- CPI· PPI
- CPI = consumer inflation · PPI = producer inflation · released monthly by the U.S. Bureau of Labor Statistics · July data due Aug. 12 and Aug. 13
- SOX
- Philadelphia Semiconductor Index (SOX) · key gauge of global semiconductor stocks
- HBM
- High Bandwidth Memory · stacked architecture widens data pathways · used in AI servers
- S7
- A thematic basket grouping seven large-cap semiconductor stocks, including Samsung Electronics and SK Hynix
- Materials, Parts & Equipment
- Materials, Parts & Equipment · suppliers of materials and equipment to major semiconductor producers
- EPS
- Earnings per share · net income ÷ shares outstanding · adjusted EPS excludes one-off items
- consensus· guidance
- Consensus = average of brokerage forecasts · guidance = company-provided outlook
- Short Selling
- Sell borrowed shares → bet on a decline · Aug. 12 KOSPI KRW1.56tn · 4.1% of KRX+NXT turnover
- Program Trading
- Automated multi-stock orders · a channel for index and flow moves · already included in investor-level flow data
- Arbitrage· Non-arbitrage
- Arbitrage = exploits cash-futures price differences · non-arbitrage = other program trading such as index tracking
- Cash-Futures Closing Basis
- Cash closes 15:30 / futures 15:45 → not a same-time basis · excluded from directional signals
- Onshore Daytime Close
- Final traded USD/KRW rate in domestic FX market, 09:00–15:30
- Base Exchange Rate
- Published volume-weighted average of interbank exchange rates · used for JPY/KRW
- Sector· Theme Change
- Sector = market-cap weighted · theme = simple average of constituents · when values conflict, sector value is the reference
- Market-Cap Weighted
- Sector indexes weight stocks in proportion to market cap · larger stocks exert more influence
- Market Breadth
- Share of advancing stocks · gauge of how broadly gains and losses are distributed
Sources & Data Conventions
- Korea Exchange (KRX) · Naver Finance KOSPI 6,579.04 (+3.68%, final Aug. 12 close), open 6,438.50 · high 6,668.43 · low 6,413.50 / KOSDAQ 858.91 (+0.12%), open 854.85 · high 860.76 · low 839.86 / KOSPI200 1,029.43 (+4.26%, closing basis) / issue counts: KOSPI advancers 380 · limit-up 3 · unchanged 53 · decliners 477 · limit-down 0, KOSDAQ advancers 886 · limit-up 8 · unchanged 83 · decliners 753 · limit-down 0 / turnover KOSPI KRW26.21tn · KOSDAQ KRW6.52tn: integrated dashboard (Naver Finance daily index · KRX source, collected 16:00 KST on Aug. 12)· KOSDAQ close: News1· EToday cross-check
- Investor-Level Totals(Naver Finance investor data, Aug. 12 close) KOSPI Retail −KRW3.1912tn and foreign investors +KRW2.8357tn and institutions +KRW527.7bn / KOSDAQ Retail +KRW314.9bn and foreign investors −KRW162.2bn and institutions −KRW147.7bn· KOSPI200 futures (KRX derivatives, value basis) Foreign −KRW279.0bn and institutions −KRW144.0bn · Retail +KRW263.0bn· Program TradingAutomated multi-stock orders · a channel through which indexes and investor flows move KOSPI Arbitrage −KRW116.3bn · Non-arbitrage +KRW405.8bn · Total +KRW289.5bn, KOSDAQ −KRW120.3bn(arbitrage −KRW1.4bn · non-arbitrage −KRW118.9bn)· Cash-futures closing spread +3.17 (cash 1,029.43 · futures 1,032.60 · Sep. 2026 contract; different close times → not a basis)· Aggregate series (Naver) and stock-level series (KRX) cover different market scopes · no cross-aggregation or share calculations
- Stock-Level Investor Flows KRX investor trading data (entire stock market · collected 16:05 KST on Aug. 12). Foreign net buying: Samsung Electronics +KRW1.4816tn · SK Hynix +KRW852.2bn · Samsung Electro-Mechanics +KRW175.9bn · LG Electronics +KRW115.3bn · SK Square +KRW100.8bn · No. 6 Jusung Engineering +KRW51.9bn / Retail net selling: Samsung Electronics −KRW1.5332tn · SK Hynix −KRW1.1363tn · Samsung Electro-Mechanics −KRW274.8bn · LG Electronics −KRW183.3bn · SK Square −KRW154.8bn / Institutional net buying: SK Hynix +KRW288.8bn · Samsung Electronics +KRW196.2bn. Total across all stocks with positive foreign net buying KRW3.5938tn · top-five total KRW2.7258tn
- Final Stock Closing Prices Samsung Electronics KRW255,500 (+6.68%) · SK Hynix KRW1,504,000 (+5.54%) · Samsung Electronics Pref. KRW186,100 (+3.27%) · SK Square KRW1,024,000 (+8.36%) · Samsung Electro-Mechanics KRW1,335,000 (+5.78%) · LG Energy Solution KRW358,500 (+1.13%) · Hyundai Motor KRW409,500 (+1.61%) · Samsung Biologics KRW1,549,000 (-3.73%) · Samsung Life KRW302,500 (+4.49%) · Hanwha Aerospace KRW1,156,000 (+5.28%): top KRX market-cap stocks · regular-session closing prices (dashboard; source: Naver Finance)· Short SellingSell borrowed shares → bet on a decline · turnover basis Short-selling turnover leaders, Samsung Electronics KRW503.5bn (4.9% share) · SK Hynix KRW281.0bn (2.8%), also use the same dashboard (final regular-session data · KRX+NXT combined)· LG Electronics +12.82% · Kolmar Korea +27.06%: News1· EToday media reports
- Final U.S. close, Aug. 11 Dow 53,791.85 (-0.34%)·S&P500 7,728.20(-0.32%) · Nasdaq 26,445.44 (-0.60%)·SOX 12,098.47(+0.87%) · U.S. 10Y 4.684% (-1.5bp) · VIX 15.28: integrated dashboard (Naver Finance · Yahoo-family data)· Drivers of memory-stock strength: TradingKey· STL.News
- CoreWeave 2Q26(after the Aug. 11 U.S. regular-session close) revenue $2.575bn (+112% YoY) · GAAP loss per share $1.14 · adjusted net loss $567m · adjusted EBITDA $1.510bn: Company press release original (SEC EDGAR). The company's official tables do not include adjusted EPS. Revenue consensus $2.560bn is the LSEG compilation (Reuters)· Revenue backlog was approximately $104bn as of June 30, 2026, and per the company footnote, “Does not include more than $25 billion of net new customer commitments added in early Q3,” meaning more than $25bn of new commitments added in early Q3 are excluded· The roughly 14% after-hours rise is measured immediately after the announcement (CNBC· Reuters); the after-hours closing price is separate
- Super Micro Computer fiscal 4Q26 Revenue $11.12bn · non-GAAP diluted EPS $1.70 · non-GAAP gross margin 17.6% · FY2027 revenue guidance $65–72bn ·Q4 new orders above $60bn were first disclosed in the July 21 preliminary update and reconfirmed in the final earnings release: Company IR earnings press release· July 21 preliminary update· Q4 revenue consensus $11.55bn, from Reuters· FY2027 revenue consensus · Reuters $52.5bn / Bloomberg $54.4bn · midpoint used in the body $53.45bn(Quartz citation)
- Domestic Intraday Events 11:57 buy-side sidecar triggered (KOSPI200 futures surge · program buy quotes suspended for five minutes): Herald Business· NewsPim cross-check· Samsung Biologics −3.73% and weakness in pharmaceuticals/biotech · no specific catalyst confirmed · timing overlapped with buying in large-cap semiconductors
- LG Electronics catalyst Reports that LG Group Chairman Koo Kwang-mo is scheduled to meet Nvidia CEO Jensen Huang to discuss commercialization in areas including robotics and HVAC: NewsPim· NewDaily. Whether the meeting occurred and its outcome were not confirmed · causality with the share-price rise is unverified
- FX & Commodities USD/KRW KRW1,415.7 ( ▼0.2) is the domestic FX daytime-session close (09:00–15:30): News1· JPY/KRW KRW889.29 uses Naver Finance's Base Exchange Ratebenchmark exchange rate posted as the volume-weighted average of interbank exchange rates(Aug. 12, 2026; previous KRW889.43)· WTI $83.54 (+0.41%) · gold $4,459.50 (+1.75%) · Bitcoin $63,646 · U.S. Dollar Index 99.874 are live quotes as of 16:00 KST on Aug. 12· Final Aug. 11 WTI close: $83.20· LME copper 14,424.50 (+0.94%) · aluminum 3,373.00 (+1.37%) are cash prices for Aug. 11
- Sectors & Themes Naver Finance sector/theme data (Aug. 12 close, collected 16:00 KST): of 79 sectors, 35 up · 0 unchanged · 44 down; of 219 themes, 119 up · 0 unchanged · 100 down· Consumer Electronics +12.40%(9 up · 1 unchanged · 6 down out of 16 stocks) · Internet & Catalog Retail +11.06%(3 up out of 6 stocks) · Semiconductors & Semiconductor Equipment +5.98%(129 up · 8 unchanged · 34 down out of 171 stocks) · Electronic Equipment & Instruments +5.07% · Aerospace & Defense +4.58% · Life Sciences Tools & Services -4.51% · Gaming & Entertainment -3.67% · Office Supplies -3.42%(one-stock sector) · Pharmaceuticals -3.17%(43 up · 15 unchanged · 117 down out of 175 stocks) / theme S7 +5.42% · Leading Semiconductor Stocks (Production) +4.75% · Semiconductor Substrates +3.68% · IT Bellwethers +5.31% · Electric Wires +6.27% · HBM +2.89% · Semiconductor Materials/Components +2.34% etc. ※Sectors are market-cap weighted; themes are simple averages of constituent stocks, so identically named groups can show different values. Sector value is the reference.
- Schedule · Benchmarks U.S. July CPI on Aug. 12 · PPI on Aug. 13 follow the official U.S. Bureau of Labor Statistics release calendar; Aug. 14 retail sales follow the U.S. Census Bureau schedule· U.S. July CPI Consensus MoM +0.1% · YoY 3.4% · core MoM +0.2% · core YoY 2.5% are Bloomberg-compiled estimates (Bloomberg consensus cited), while June actuals—MoM −0.4% · YoY 3.5% · core MoM flat · core YoY 2.6%—come from the the U.S. Bureau of Labor Statistics June release· Cisco Release time (Aug. 12 16:30 ET / Aug. 13 05:30 KST) and company guidance of revenue $16.7–16.9bn · non-GAAP EPS $1.16–1.18 are from Cisco IR, while consensus revenue $16.85bn · adjusted EPS $1.17 are from Zacks compilation· Applied Materials Release time (Aug. 13 16:30 ET / Aug. 14 05:30 KST) and company guidance of revenue $8.95bn ±$0.5bn · non-GAAP EPS $3.36 ±$0.20 are from Company IR, while consensus revenue of approximately $9.0bn · adjusted EPS $3.36 are from Zacks compilation· U.S. July PPI MoM consensus +0.2% and Retail Sales MoM consensus +0.1% are from Investing.com Economic Calendar· Korean equity market closed Aug. 17 for the Liberation Day substitute holiday
Disclaimer: This material is for market-structure analysis and organization of decision-relevant information only and does not constitute a recommendation to buy or sell any financial instrument.
