KOSPI falls 5.28% as chip stocks slide

SEOUL — The KOSPI fell 5.28% to 5,383.80 at the close on Nov. 5, 2026, as Samsung Electronics and SK hynix fell sharply. The benchmark lost 300.00 points. The KOSDAQ fell 5.11% to 678.41, a decline of 36.54 points.

Hana Bank’s USD/KRW reference rate was 1,341.6 won per dollar at 15:38 KST, down 0.07%, according to Naver Pay Securities. This was a bank reference rate, rather than the onshore currency market’s closing rate.

Samsung Electronics and SK hynix fall sharply

Samsung Electronics (005930.KS) common shares fell 7.57% to 201,500 won, and SK hynix (000660.KS) dropped 9.46% to 1,264,000 won. Naver Pay Securities marked both prices as KRX regular-session closes.

Among other decliners, Hanwha Aerospace (012450.KS) fell 7.48% to 680,000 won, while LG Energy Solution (373220.KS) lost 2.54% to 346,000 won.

NAVER (035420.KS) rose 8.26% to 184,900 won, and Celltrion (068270.KS) gained 7.50% to 215,000 won.

Among automakers, Kia (000270.KS) advanced 5.22% to 100,800 won, while Hyundai Motor (005380.KS) added 3.53% to 293,500 won.

Foreign investors sell on both boards

Foreign investors sold a net 3.39 trillion won on the KOSPI, according to provisional KRX investor-flow data displayed by Naver Pay Securities after the close. Individuals bought a net 2.28 trillion won, while institutions bought about 840 billion won.

On the KOSDAQ, foreign investors sold about 73 billion won net and institutions about 103 billion won. Individuals bought about 172 billion won, according to the provisional figures for Nov. 5.