KOSPI plunges nearly 10% as tech sell-off triggers circuit breaker; rebounds next day
AI summarySouth Korea's benchmark KOSPI index plunged nearly 10 percent on Tuesday, triggering a circuit breaker for the fourth time this year, as foreign investors dumped semiconductor shares amid a global tech slump. The index rebounded sharply the following morning as individual investors went bargain hunting, with Samsung Electronics and SK hynix leading the recovery.