Korean exchange triggers KOSPI circuit breaker as stock index plunges

Odaily News: South Korea's KOSPI index extended its decline to 5%, with Samsung falling 6.5% and SK Hynix dropping over 8%. Nasdaq futures fell nearly 1%, and major chip stocks mostly declined after hours.

The Korean exchange activated the KOSPI circuit breaker mechanism as KOSPI 200 futures dropped 5%, suspending program trading for 5 minutes.