Rockhopper Exploration plc (OTCMKTS:RCKHF – Get Rating) was the recipient of a large decline in short interest during the month of May. As of May 31st, there was short interest totalling 2,800 shares, a decline of 93.3% from the May 15th total of 42,000 shares. Based on an average daily volume of 24,900 shares, the […]