 Ames National Co. NASDAQ:ATLO saw a significant drop in short interest during the month of March. As of March 31st, there was short interest totalling 57,900 shares, a drop of 9.8 from the March 15th total of 64,200 shares. Based on an average daily volume of 17,000 shares, the days-to-cover ratio is currently 3.4 days. ... 