Capstone Turbine Co. (NASDAQ:CPST) was the target of a significant growth in short interest in May. As of May 13th, there was short interest totalling 1,465,975 shares, a growth of 65.0% from the April 29th total of 888,531 shares. Based on an average daily trading volume, of 381,445 shares, the days-to-cover ratio is presently 3.8 […]