Manhattan Scientifics, Inc. (OTCMKTS:MHTX – Free Report) was the target of a significant growth in short interest in June. As of June 15th, there was short interest totalling 30,000 shares, a growth of 50.0% from the May 31st total of 20,000 shares. Based on an average daily trading volume, of 215,100 shares, the days-to-cover ratio […]