verdict at the close
KOSPI Ends at 6,258 as Semiconductors Sell Off; KOSDAQ –0.36%
The KOSPI closed Friday, August 7 (2026) at 6,258.77, down 0.60%, after swinging through an intraday range of 256.87 points — from a session low of 6,158.73 struck around 10:40 to a high of 6,415.60 at the open.The KOSDAQ fell 0.36% to 798.81, spanning a 38.2-point range; several events coincided on the day — including a sharp drop in SK hynix, a sector rotation into energy and defense, and continued foreign net selling — making it difficult to assign the move to any single cause.
The day’s path
A window marking the hours when direction turned during the session
KOSPI dropped to 6,158 by 10:40, then clawed back to hold above 6,250 through the afternoon — a 257-point round trip compressed into a single session
Top by trading value10— snapshot
A window on how the top trading-value names have moved up to this hour
Semiconductor names dominated KOSPI turnover: SK hynix ₩7.25tn, Samsung Electronics ₩4.79tn — together accounting for over half the top-ten combined volume
| Stock | Prior close | Open | Gap | High (time) | Close | Change | Low (time) |
|---|---|---|---|---|---|---|---|
| SK hynix | 1,494,954 | 1,521,000 | +1.74% | 1,542,000 (09:04) | 1,422,000 | −4.88% | 1,409,000 (10:40) |
| Samsung Electronics | 230,493 | 235,000 | +1.96% | 239,500 (09:04) | 231,000 | +0.22% | 229,000 (10:40) |
| Samsung Electro-Mechanics | 1,228,964 | 1,259,000 | +2.44% | 1,304,000 (09:59) | 1,278,000 | +3.99% | 1,233,000 (09:41) |
| Hanwha Solutions | 30,401 | 33,000 | +8.55% | 38,550 (09:15) | 33,900 | +11.51% | 31,900 (11:27) |
| SK Square | 970,041 | 996,000 | +2.68% | 1,006,000 (09:03) | 939,000 | −3.20% | 925,000 (13:17) |
| Samsung Electronics (Pref.) | 172,096 | 177,100 | +2.91% | 179,200 (09:06) | 170,100 | −1.16% | 168,800 (13:02) |
| NAVER | 226,001 | 219,500 | −2.88% | 222,000 (09:00) | 210,000 | −7.08% | 208,000 (13:53) |
| Samsung SDI | 427,016 | 444,000 | +3.98% | 468,000 (09:15) | 459,000 | +7.49% | 439,000 (10:40) |
| OCI Holdings | 244,001 | 262,000 | +7.38% | 288,500 (09:17) | 272,500 | +11.68% | 235,000 (12:56) |
| SK eternix | 54,999 | 58,100 | +5.64% | 59,100 (09:01) | 50,500 | −8.18% | 49,950 (15:10) |
Top-10 snapshot commentary — data could not be collected
Flow summary
A window on how much foreign investors, retail investors, investment firms and pension funds each bought and sold
Foreigners sold ₩856.9bn on KOSPI today; retail investors absorbed ₩265.6bn — the fifth consecutive week of net foreign outflows exceeding ₩5tn on a quarterly basis
The stocks that moved the market — top by turnover10
A window on which investor groups backed the most heavily traded stocks
SK hynix led KOSPI turnover at ₩7.25tn, trading at a ₩133,000 intraday range as foreign net selling concentrated in the semiconductor block
SK hynix and Samsung Electronics together accounted for ₩12.05tn in KOSPI turnover, with SK hynix’s ₩7.25tn alone representing the dominant flow of the session; Samsung Electro-Mechanics and Hanwha Solutions were notable on the buy side with ₩1.14tn and ₩689.5bn in notional value respectively.
| Stock | Close | Change | Turnover | Foreign investors | Institutions | Investment firms | Pension funds | Retail investors |
|---|---|---|---|---|---|---|---|---|
| SK hynix | ₩1,422,000 | −4.88% | ₩7.25tn | −₩69.8bn | +₩47.5bn | +₩117.6bn | −₩39.8bn | +₩271.1bn |
| Samsung Electronics | ₩231,000 | +0.22% | ₩4.79tn | −₩387.6bn | −₩2.8bn | +₩28.4bn | −₩102.7bn | +₩143.0bn |
| Samsung Electro-Mechanics | ₩1,278,000 | +3.99% | ₩1.14tn | −₩28.3bn | +₩85.7bn | +₩68.5bn | +₩3.5bn | −₩57.4bn |
| Hanwha Solutions | ₩33,900 | +11.51% | ₩693.7bn | −₩37.4bn | +₩47.2bn | +₩12.9bn | +₩15.3bn | −₩10.0bn |
| SK Square | ₩939,000 | −3.20% | ₩614.5bn | +₩105.2bn | −₩108.5bn | −₩18.9bn | −₩67.2bn | +₩3.7bn |
| Samsung Electronics (Pref.) | ₩170,100 | −1.16% | ₩479.2bn | −₩79.4bn | +₩14.5bn | +₩3.2bn | +₩6.3bn | +₩63.3bn |
| NAVER | ₩210,000 | −7.08% | ₩373.5bn | −₩60.9bn | −₩50.9bn | −₩0.3bn | −₩20.4bn | +₩109.0bn |
| Samsung SDI | ₩459,000 | +7.49% | ₩312.7bn | −₩11.9bn | +₩61.4bn | +₩34.9bn | +₩18.5bn | −₩49.8bn |
| OCI Holdings | ₩272,500 | +11.68% | ₩294.1bn | −₩10.8bn | +₩12.0bn | +₩14.2bn | −₩7.1bn | +₩0.9bn |
| SK eternix | ₩50,500 | −8.18% | ₩279.0bn | −₩24.2bn | −₩15.3bn | −₩5.0bn | +₩0.6bn | +₩41.1bn |
Gainers5· Decliners5 — KOSPI & KOSDAQ
A window on the biggest gainers and decliners, and the reasons behind them
Energy and defense names posted double-digit gains while semiconductors and platform stocks dragged — KOSPI’s advance-decline spread reflected a rotation rather than a broad rally
On KOSPI, the session’s gainers were concentrated in energy, chemicals, and defense — OCI Holdings +11.68%, Hanwha Solutions +11.51%, SK Innovation +10.77%, S-Oil +10.17% — while declines clustered in semiconductor-adjacent and platform names: NAVER –7.08%, SK Eternix –8.18%, SK hynix –4.88%; on KOSDAQ, gainers were scattered across smaller-cap themes while Lemon Healthcare –8.25% and Daedong Gear –22.21% led the decliners.
After-Hours Outlook
A window on what to watch in after-hours trade once the regular session ends
Today’s KOSDAQ call held: the pre-open forecast of –0.5% to +1.0% bracketed the outcome, and the index closed at –0.36%, inside the predicted range
After-hours outlook commentary — data could not be collected