Healthcare Services Group, Inc. (NASDAQ:HCSG – Get Rating) was the target of a significant drop in short interest in May. As of May 15th, there was short interest totalling 4,460,000 shares, a drop of 9.3% from the April 30th total of 4,920,000 shares. Based on an average trading volume of 1,000,000 shares, the short-interest ratio […]