Opsens Inc. (OTCMKTS:OPSSF – Get Rating) was the recipient of a large decrease in short interest in the month of April. As of April 15th, there was short interest totalling 37,900 shares, a decrease of 18.8% from the March 31st total of 46,700 shares. Based on an average daily trading volume, of 18,800 shares, the […]