The global stock rout rolled across Asia on Friday.Major Asian stock markets sank as investors continued to dump riskier assets. Japan’s Nikkei tumbled 4.8%, bringing its losses for the week to more than 11%. The Hang Seng in Hong Kong slipped 1.2% after plunging 3.9% the day before.In South Korea, trading was temporarily halted on the Kosdaq, a market focused on small technology companies, after it nosedived more than 8%. ...