Man saw 6,200% returns on stock-index futures
Betting on China's stock-index futures, a hedge-fund manager witnessed a return of around 6,200%. He was bullish for the first half of 2015, building long positions in stocks and equity-index futures as the Shanghai Composite surged to seven-year highs. After trimming his equity exposure in May, he bet against the market in the second half of June as shares tumbled.