HF Sinclair Co. (NYSE:DINO – Get Free Report) was the recipient of a significant drop in short interest during the month of October. As of October 15th, there was short interest totalling 9,330,000 shares, a drop of 7.2% from the September 30th total of 10,050,000 shares. Based on an average trading volume of 2,080,000 shares, […]