Nihon Kohden Co. (OTCMKTS:NHNKY – Get Free Report) was the target of a significant growth in short interest in May. As of May 15th, there was short interest totalling 4,800 shares, a growth of 1,500.0% from the April 30th total of 300 shares. Based on an average trading volume of 6,300 shares, the short-interest ratio […]