StocksMedium•6 November 2026•
1 min read
South Korea's KOSPI Plunges 8% Triggering Market Circuit Breakers
Key Facts
1South Korea's stock exchange halted trading minutes after the opening bell as the KOSPI plunged more than 8%.
2Samsung Electronics and SK Hynix shares suffered double-digit losses during the session.
3The crash was driven by fears regarding future AI spending and heavy selling by foreign investors.
South Korea's stock exchange halted trading minutes after the opening bell as the KOSPI index plunged more than 8%. Invezz reported that the crash triggered a 20-minute circuit breaker, following a 5.28% decline recorded during the previous session.
Semiconductor leaders Samsung Electronics and SK Hynix suffered double-digit losses during the session, driven by heavy selling from foreign investors and concerns over AI spending. SKHY closed at $123.9 on November 5, 2026, while SMSN.L closed at $3578 on the same date.
Market participants are awaiting the release of South Korea's unemployment rate on November 10, 2026, which is forecasted to reach 2.8%.