Signify (OTCMKTS:SFFYF – Get Rating) was the recipient of a large increase in short interest during the month of April. As of April 30th, there was short interest totalling 548,500 shares, an increase of 80.8% from the April 15th total of 303,300 shares. Based on an average trading volume of 1,100 shares, the short-interest ratio […]