Vitru Limited (NASDAQ:VTRU – Get Free Report) saw a significant drop in short interest in July. As of July 15th, there was short interest totalling 7,200 shares, a drop of 18.2% from the June 30th total of 8,800 shares. Based on an average trading volume of 16,600 shares, the days-to-cover ratio is currently 0.4 days. […]