Roscan Gold Co. (OTCMKTS:RCGCF – Get Free Report) was the recipient of a significant increase in short interest in May. As of May 15th, there was short interest totalling 16,800 shares, an increase of 342.1% from the April 30th total of 3,800 shares. Based on an average trading volume of 278,400 shares, the days-to-cover ratio […]