The selling intensified Monday as the benchmark Kospi plunged more than 8% at the open, even as it emerged as one of the world's standout performers thus far.

Foreign investors sold over $30 billion in South Korean equities across 12 sessions, with Samsung and SK Hynix hit hardest as the KOSPI plunges to crisis

South Korean retail investors sold over 1 trillion won ($641 billion) worth of overseas stocks in the first week of June, data showed Sunday, sugge...