 CorVel Co. NASDAQ:CRVL saw a significant decrease in short interest in the month of June. As of June 15th, there was short interest totalling 140,400 shares, a decrease of 15.3 from the May 31st total of 165,800 shares. Approximately 1.5 of the companys shares are short sold. Based on an average daily volume of 73,600 ... 