It's been a brutal quarter for Asian equity markets that have seen a sharp withdrawal of funds over April-June, driven by concerns over a scaling back of the U.S. Federal Reserve's bond buying program and financial instability in China.

"The Fed is responsible for 80 percent of the sell-off - I think for the remainder it is China concerns. Clearly something is not right in China, and no one knows how to identify it because of the opacity of the political system and the economy," Mark Matthews, head of research Asia at Julius Baer told CNBC, referring to the liquidity crunch in the world's second largest economy.