GT Biopharma, Inc. (NASDAQ:GTBP – Free Report) was the recipient of a large increase in short interest in June. As of June 15th, there was short interest totalling 204,600 shares, an increase of 53.5% from the May 31st total of 133,300 shares. Currently, 0.6% of the company’s stock are short sold. Based on an average […]