Japanese and South Korean stock markets both decline, with South Korea's KOSPI index falling 4% intraday

Odaily reports, according to Gate data, South Korea's KOSPI index plunged 4% intraday, falling below the 5,800 mark, currently at 5,781.28 points. SK Hynix dropped nearly 8%, while Samsung Electronics fell over 3%. Japan's Nikkei 225 index declined 1% intraday.