 Oragenics Inc NYSEAMERICAN:OGEN was the target of a significant drop in short interest in June. As of June 15th, there was short interest totalling 974,800 shares, a drop of 25.6 from the May 31st total of 1,310,000 shares. Based on an average daily volume of 2,660,000 shares, the short-interest ratio is presently 0.4 days. Currently, ... 