Vision Energy Co. (OTCMKTS:VENG – Get Rating) saw a large drop in short interest in May. As of May 31st, there was short interest totalling 75,200 shares, a drop of 18.6% from the May 15th total of 92,400 shares. Based on an average trading volume of 454,500 shares, the days-to-cover ratio is currently 0.2 days. […]