Seoul stocks closed sharply higher Monday to extend their winning streak to a third day, landing above the 8,500-point mark on the back of an agreement between the United States and Iran to end their monthslong war

Seoul stocks rose by more than 4 percent Friday, as investors snapped up tech heavyweights amid hopes the war between the United States and Iran could end soon.

Seoul stocks were trading sharply higher late Monday morning, as market sentiment improved after the United States and Iran reached an agreement to...