Actinium Pharmaceuticals Inc (NYSE:ATNM) saw a significant drop in short interest in the month of December. As of December 15th, there was short interest totalling 2,213,758 shares, a drop of 1.1% from the November 30th total of 2,239,372 shares, MarketBeat Ratings reports. Approximately 6.1% of the company’s stock are short sold. Based on an average […]