SunHydrogen, Inc. (OTCMKTS:HYSR – Get Rating) saw a large increase in short interest in the month of April. As of April 30th, there was short interest totalling 256,500 shares, an increase of 1,242.9% from the April 15th total of 19,100 shares. Based on an average daily volume of 12,568,600 shares, the days-to-cover ratio is currently […]