The Economic Information Daily reported on the 13th: Japan's Nikkei 225 Index opened at 68,564.85 points on Tuesday morning, down 0.68%. South Korea's KOSPI composite stock price index opened down 3.1%, and later extended losses to 4%, reaching 6,128.4 points. SK Hynix fell nearly 5%, leading the decline in South Korean chip stocks, while Samsung Electronics dropped nearly 4%. (yc)