KOSPI Triggers Second Circuit Breaker This Week as AI Chip Rout Hits Global Stocks

South Korea’s KOSPI triggered its second circuit breaker in a single week after an 8.19% intraday plunge on Friday forced a 20-minute trading halt, dragging Wall Street, Tokyo and Tokyo-listed SoftBank lower. According to BeInCrypto, the Korea Exchange halted trading at 12:10 p.m. local time after the index stayed more than 8% below the prior close for at least one minute; the KOSPI hit 8,198.33 at the suspension and later closed down 5.81% at 8,411.21. Samsung Electronics fell 5.30% and SK Hynix slid 8.36%.