Both the Japanese and South Korean stock markets suffered significant declines, and South Korea's financial regulatory agency held an emergency meeting

According to Gate market data, the Nikkei 225 index closed down 3318.34 points on October 15, with a decline of 4.90%, reporting at 64425.95 points. The South Korean KOSPI index also closed down 454.54 points on the same day, with a decline of 7.56%, reporting at 5554.27 points.

During the trading session, the South Korean stock market once fell more than 9%, triggering the circuit breaker mechanism for the tenth time this year. The South Korean financial regulatory agency held an emergency meeting in the afternoon regarding the stock market, and subsequently, the market's decline narrowed. SK Hynix initially closed down 11.06%, while Samsung Electronics fell 9.48%.