Hecla Mining (NYSE:HL – Get Rating) was the recipient of a significant decline in short interest in April. As of April 30th, there was short interest totalling 20,110,000 shares, a decline of 7.8% from the April 15th total of 21,800,000 shares. Based on an average trading volume of 8,400,000 shares, the short-interest ratio is currently […]