SANUWAVE Health, Inc. (OTCMKTS:SNWV – Get Rating) saw a significant decrease in short interest in the month of May. As of May 15th, there was short interest totalling 182,100 shares, a decrease of 37.6% from the April 30th total of 292,000 shares. Based on an average daily trading volume, of 676,700 shares, the short-interest ratio […]