Nihon Kohden Co. (OTCMKTS:NHNKY – Get Rating) saw a large increase in short interest during the month of May. As of May 15th, there was short interest totalling 4,100 shares, an increase of 720.0% from the April 30th total of 500 shares. Based on an average trading volume of 1,100 shares, the short-interest ratio is […]