CleanTech Alpha Co. (OTCMKTS:GERS – Get Free Report) saw a significant drop in short interest in March. As of March 31st, there was short interest totalling 100 shares, a drop of 99.1% from the March 15th total of 11,500 shares. Based on an average daily trading volume, of 28,300 shares, the short-interest ratio is presently […]