Seoul shares again plummeted Thursday, led by steep losses in technology heavyweights, as escalating tensions in the Middle East weighed on investor sentiment. The Korean won rose against the U.S. dollar.

Seoul shares plunged 9 percent Monday as investors dumped technology stocks for profit-taking amid renewed tensions in the Middle East. The Korean won fell against the U.S. dollar.

Seoul shares plunged 9 percent Monday as investors dumped technology stocks for profit-taking amid renewed tensions in the Middle East. The Korean won fell against the U.S. dollar.