GenTech Holdings, Inc. (OTCMKTS:GTEH – Get Rating) was the target of a significant increase in short interest in May. As of May 31st, there was short interest totalling 66,500 shares, an increase of 33.3% from the May 15th total of 49,900 shares. Based on an average daily volume of 94,896,200 shares, the days-to-cover ratio is […]