GT Biopharma, Inc. (NASDAQ:GTBP – Get Free Report) saw a large increase in short interest in December. As of December 15th, there was short interest totalling 66,800 shares, an increase of 14.8% from the November 30th total of 58,200 shares. Based on an average trading volume of 118,800 shares, the days-to-cover ratio is currently 0.6 […]