Portage Biotech Inc. (NASDAQ:PRTG – Get Free Report) saw a significant growth in short interest in January. As of January 15th, there was short interest totalling 7,600 shares, a growth of 16.9% from the December 31st total of 6,500 shares. Based on an average trading volume of 34,100 shares, the days-to-cover ratio is currently 0.2 […]