In Asia, Hong Kong’s Hang Seng Index (HSI) sank as much as 5% in morning trading. It was last down 3.4%, on track to log its worst daily drop in seven months. Japan’s Nikkei 225 (N225) tumbled 3.6%. South Korea’s Kospi (KOSPI) dropped 2.5%. China’s Shanghai Composite (SHCOMP) lost 1%. […]