KOSPI5,290.53 -0.98%KOSDAQ699.66 +0.45%
Horizontal lines mark the previous close and 5,400
IntradayThe morning's gains were erased by midday. KOSPI slipped below its previous close at 12:39 and never recovered that level
Foreign flowsForeign net buying peaked at roughly KRW 220bn early on, turned to net selling around 11:40, and the index's losses deepened
Top-heavy454 KOSPI stocks rose, versus 420 that fell. A handful of heavyweights, led by SK hynix and Samsung Electronics, dragged down the index
U.S., Nov. 12CEO Jensen Huang resigned, with CFO Colette Kress named interim CEO · Broadcom +5.54%
Korea, morningAt 09:09, SK hynix reached KRW 1,317,000 and Samsung Electronics KRW 216,000. Early foreign buying helped KOSPI climb past 5,500
Yields & oilThe U.S. 10-year yield rose +12.4bp on the day. After President Trump said there was “no need for a deal with Iran,” WTI crude rose +2.55% and Brent crude +3.30%. A December Fed rate hike was almost fully priced in by futures markets: roughly 85% odds of 25bp and 15% odds of 50bp. All these developments were known before Korea's open
Korean flowsForeign investors turned net sellers around 11:40 as SK hynix and Samsung Electronics also slipped into negative territory. No fresh adverse headline emerged, so the trigger for the selling remains unconfirmed
NvidiaThe board made its decision on the night of Nov. 11 U.S. time and announced it on Nov. 12. Harvey Jones chairs the board, which is considering internal and external candidates for permanent CEO. The investigation continues; no confidentiality breach or operational disruption has been confirmed. Q3 earnings are scheduled after the U.S. close on Nov. 17
U.S., Nov. 12Dow -0.36%·S&P500 -0.35% · Nasdaq -0.39% · Philadelphia Semiconductor Index -0.54% · October CPI, released Nov. 10: +0.4% month on month versus a forecast of +0.3%
KOSDAQKOSDAQ reached 725.81 during a presidential capital-markets policy roundtable, then closed at 699.66. No causal link to the policy discussion has been established
ForeignSK hynix was the most heavily net-sold stock, followed by KEPCO and Samsung Electro-Mechanics. Samsung Electronics shares fell -0.96% despite net foreign buying, diverging from SK hynix within the chip sector
LeadersKOSPI 200 Financials High Dividend Top 10 +2.87%, the top-performing theme; KB Financial +4.74% · telecoms +1.72% · securities +1.57%
LaggardsElectricity & gas -7.74%, the worst-performing sector; KEPCO -9.79%. Q3 operating profit came to KRW 1.6441tn, released after the Nov. 12 close, down -70.9% year on year and well below market expectations. Nov. 13 was the first session to reflect the results; its intraday KRW 27,400 was a 52-week low
| Investor | KOSPI | KOSDAQ |
|---|---|---|
| Foreign | -547.5 | -75.2 |
| Institutions | +2.1 | +126.2 |
| Retail | +17.4 | -56.3 |
| Other corp. / residual | +528.0 | +5.3 |
firms+KRW 528.0bn · calculated as the negative of combined net flows from foreign, institutional and retail investors
FuturesKOSPI 200 futures: foreign investors +KRW 566.0bn · institutions −KRW 514.0bn · foreign investors bought futures while selling cash equities, but arbitrage and hedging flows mean this is not necessarily a directional bullish bet
Program tradingArbitrage −KRW 35.8bn · non-arbitrage −KRW 146.2bn · total −KRW 182.0bn
Trading valueKOSPI KRW 15.9509tn, or 0.82× its five-day average; KOSDAQ KRW 5.4206tn, or 1.12× its five-day average
Other laggardsElectrical & electronics -1.79% · Gaming Top 10 -3.64% · NAVER -5.12%
Only one of yesterday's three tests was met: institutions were net buyers by just +KRW 2.1bn— effectively flat. SK hynix failed to rebound (KRW 1,216,000), and KOSDAQ failed to reclaim 700 (699.66)
More stocks advanced than declined, yet the index fell. The weakness was concentrated among the biggest companies, while early buying momentum faded.