Death of North Korean leader rattles markets across the globe . South Korea 's Kospi Index slides almost 5 % at the time . Countries from Australia to Japan also sink on the news . Concerns grow over the crisis in North Korea .
Death of North Korean leader rattles markets across the region . South Korea 's Kospi index slides almost 5 % at the open . Markets from Australia to Japan also sink on the news . Concerns grow over succession struggle in North Korea .