Rockhopper Exploration plc (OTCMKTS:RCKHF – Get Free Report) was the target of a significant decrease in short interest in July. As of July 31st, there was short interest totalling 11,100 shares, a decrease of 37.3% from the July 15th total of 17,700 shares. Based on an average daily volume of 6,000 shares, the short-interest ratio […]