Powertap Hydrogen Capital Corp. (OTCMKTS:MOTNF – Get Rating) was the recipient of a large decline in short interest during the month of May. As of May 15th, there was short interest totalling 6,900 shares, a decline of 32.4% from the April 30th total of 10,200 shares. Based on an average daily trading volume, of 338,600 […]