Svmuu News: A sell-off in tech stocks dealt a heavy blow to the market, causing Japanese and South Korean stock markets to accelerate their decline in the afternoon. The Nikkei 225 index closed down 2,565.58 points, or 3.55%, at 69,788.38 on Tuesday, June 23. South Korea’s KOSPI index closed down 910.49 points, or 9.99%, marking its largest single-day decline since March 4, at 8,204.06 points; SK Hynix and Samsung Electronics both fell more than 12%.