Flowserve Co. (NYSE:FLS – Get Rating) saw a significant drop in short interest during the month of May. As of May 15th, there was short interest totalling 3,060,000 shares, a drop of 6.7% from the April 30th total of 3,280,000 shares. Based on an average daily volume of 889,600 shares, the days-to-cover ratio is presently […]