Hallador Energy (NASDAQ:HNRG – Get Free Report) was the recipient of a significant decrease in short interest in September. As of September 30th, there was short interest totalling 1,080,000 shares, a decrease of 7.7% from the September 15th total of 1,170,000 shares. Based on an average daily volume of 235,800 shares, the short-interest ratio is […]