South Korean stocks finished at an all-time high Monday on a continued rally in semiconductor shares amid signs of progress in U.S.-Iran talks to end their monthslong war in the Middle East. The local currency lost against the U.S. dollar.

South Korean stocks plummeted more than 4 percent Wednesday amid escalating tensions between the United States and Iran and a tech slump fueled by concerns over the valuation of stocks related to artificial intelligence (AI). The local currency was trading lower against the U.S. dollar.