South Korea's bourse operator on Tuesday activated a circuit breaker for the benchmark Korea Composite Stock Price Index (KOSPI) as stocks crashed...

South Korea's KOSPI index plunged 8.3% as Samsung and SK Hynix led a semiconductor sell-off, triggering circuit breakers for the third time in 2026.

South Korea's bourse operator on Tuesday activated a sell-side sidecar for the benchmark Korea Composite Stock Price Index (KOSPI) as the index sli...