Japanese and South Korean stock markets closed lower, with South Korean stocks falling over 5%

According to Gate data, AI regulatory concerns hit Japanese and South Korean stock markets. The Nikkei 225 index closed down 1,110.73 points, a decline of 1.79%, at 61,077.90 points. South Korea's KOSPI index closed down 300.15 points, a decline of 5.28%, at 5,383.65 points. South Korea's KOSDAQ fell 5.11%, triggering sidecar mechanisms successively during intraday trading, with program trading briefly halted; SK Hynix fell 9.45%, and Samsung Electronics fell 7.56%.