Aridis Pharmaceuticals, Inc. (NASDAQ:ARDS – Get Rating) was the target of a large decrease in short interest in April. As of April 15th, there was short interest totalling 72,000 shares, a decrease of 36.3% from the March 31st total of 113,000 shares. Based on an average daily volume of 1,380,000 shares, the days-to-cover ratio is […]