Powertap Hydrogen Capital Corp. (OTCMKTS:MOTNF – Get Rating) was the recipient of a significant drop in short interest in the month of March. As of March 31st, there was short interest totalling 2,900 shares, a drop of 92.8% from the March 15th total of 40,000 shares. Based on an average trading volume of 550,800 shares, […]