AECOM (NYSE:ACM – Get Rating) was the target of a significant decrease in short interest during the month of March. As of March 31st, there was short interest totalling 1,620,000 shares, a decrease of 15.6% from the March 15th total of 1,920,000 shares. Based on an average daily volume of 1,130,000 shares, the short-interest ratio […]