The Kospi plunged 12 per cent on Wednesday (Mar 4), extending a steep selloff from the previous day as the escalating war in the Middle East rattled investor sentiment. SEOUL: South Korea's stock exchange halted trading on Wednesday (Mar 4) as the nation's two major indexes plunged on uncertainty sparked by turmoil in the Middle East. The Korean Stock Exchange called a temporary trading halt after the Kospi and Kosdaq each plunged more than 8 per cent in Seoul morning trade. The Kospi later