Remember it is Triple Witching in the US to-day-( expiry of index, options etc)
Overnight trading not going to be helpful:
Japan's Nikkei 225 Stock Average shed 2.1 percent, its biggest slide in a month, to 11,367.62.
South Korea's Kospi index lost 3.2 percent to 736.23.
Hong Kong's Hang Seng Index dropped 2.2 percent to 11,820.74 and the Hang Seng China Enterprises Index slumped for a fifth day.