Signify (OTCMKTS:SFFYF – Get Rating) was the recipient of a significant increase in short interest during the month of May. As of May 31st, there was short interest totalling 417,500 shares, an increase of 45.6% from the May 15th total of 286,800 shares. Based on an average trading volume of 2,100 shares, the days-to-cover ratio […]