According to Yonhap News Agency, on January 31, local time, the Korean Composite Stock Price Index closed at 2,517.37 points on the 31st, down 19.43 points from the previous trading day. Among them, the stock price of SK Hynix, a supplier of US chip giant Nvidia, plummeted 9.86%, the largest drop since August last year. In addition, the stock price of Samsung Electronics fell 2.42%, the stock price of Hanmi Semiconductor fell 6.14%, the stock price of LS Electric fell 5.33%, and the stock price of HD Hyundai Electric fell 7.87%.