Americas Silver Corp (NYSEAMERICAN:USAS - Get Free Report) was the target of a large drop in short interest in the month of February. As of February 28th, there was short interest totalling 611,600 shares, a drop of 35.0% from the February 13th total of 941,600 shares. Approximately 0.2% of the company's shares are short sold. Based on an average trading volume of 862,000 shares, the short-interest ratio is presently 0.7 days.