 Abraxas Petroleum Corp. NASDAQ:AXAS saw a large decrease in short interest during the month of June. As of June 30th, there was short interest totalling 12,960,000 shares, a decrease of 16.6 from the June 15th total of 15,540,000 shares. Currently, 7.9 of the companys shares are short sold. Based on an average trading volume of ... 