The South Korean benchmark Kospi slumped during intraday trading Tuesday, despite market heavyweight Samsung Electronics posting a record-high quarterly operati

South Korea's KOSPI plunges amid an 11-day foreign sell-off as investors brace for volatility ahead of Samsung's explosive AI earnings.

Samsung Electronics fell 9% and SK Hynix dropped nearly 15% as investors rotated out of AI chip stocks, dragging the Kospi index down roughly 5%.