Silver Viper Minerals Corp. (OTCMKTS:VIPRF – Get Free Report) was the target of a significant growth in short interest during the month of November. As of November 30th, there was short interest totalling 66,100 shares, a growth of 1,337.0% from the November 15th total of 4,600 shares. Based on an average daily volume of 422,800 […]