ABM Industries Incorporated (NYSE:ABM – Get Free Report) saw a large decline in short interest in May. As of May 15th, there was short interest totalling 1,980,000 shares, a decline of 12.4% from the April 30th total of 2,260,000 shares. Based on an average daily volume of 593,000 shares, the short-interest ratio is presently 3.3 […]