 Fastenal NASDAQ:FAST was the recipient of a large decrease in short interest during the month of June. As of June 15th, there was short interest totalling 21,220,000 shares, a decrease of 14.8 from the May 31st total of 24,920,000 shares. Based on an average trading volume of 5,600,000 shares, the days-to-cover ratio is currently 3.8 ... 