 Aerie Pharmaceuticals Inc NASDAQ:AERI saw a large drop in short interest in July. As of July 15th, there was short interest totalling 8,050,000 shares, a drop of 10.6 from the June 30th total of 9,000,000 shares. Based on an average daily volume of 879,200 shares, the short-interest ratio is currently 9.2 days. Currently, 18.4 of ... 