Cassava Sciences, Inc. (NASDAQ:SAVA – Get Free Report) was the target of a large drop in short interest during the month of January. As of January 31st, there was short interest totalling 12,180,000 shares, a drop of 8.6% from the January 15th total of 13,330,000 shares. Based on an average daily trading volume, of 1,060,000 […]