BioRestorative Therapies, Inc. (NASDAQ:BRTX – Get Free Report) was the recipient of a significant drop in short interest in the month of May. As of May 15th, there was short interest totalling 132,600 shares, a drop of 21.8% from the April 30th total of 169,600 shares. Based on an average trading volume of 535,600 shares, […]