TransAlta Renewables Inc. (OTCMKTS:TRSWF – Get Rating) was the target of a significant drop in short interest in the month of May. As of May 31st, there was short interest totalling 1,202,300 shares, a drop of 28.0% from the May 15th total of 1,668,900 shares. Based on an average daily volume of 7,400 shares, the […]