WuXi AppTec Co., Ltd. (OTCMKTS:WUXAY – Get Free Report) saw a large increase in short interest in May. As of May 15th, there was short interest totalling 10,600 shares, an increase of 221.2% from the April 30th total of 3,300 shares. Based on an average daily volume of 9,100 shares, the short-interest ratio is presently […]