 BioHiTech Global Inc NASDAQ:BHTG saw a large increase in short interest during the month of September. As of September 15th, there was short interest totalling 17,700 shares, an increase of 30.1 from the August 31st total of 13,600 shares. Based on an average daily trading volume, of 2,180,000 shares, the short-interest ratio is presently 0.0 ... 