South Korea’s KOSPI falls over 8% as Samsung and SK Hynix plunge, triggering circuit breakers

South Korea’s KOSPI stock benchmark fell more than 8% on a heavy sell-off in chipmaker stocks, triggering circuit breakers.

The KOSPI fell as much as 8.8% in early trade, as chip heavyweights Samsung Electronics and SK Hynix dropped more than 10% each.

Circuit breakers were activated at 0003 GMT, halting trading for 20 minutes.

Published on June 8, 2026