Celsion Co. (NASDAQ:CLSN – Get Rating) was the recipient of a significant decline in short interest in the month of May. As of May 15th, there was short interest totalling 137,400 shares, a decline of 22.8% from the April 30th total of 177,900 shares. Based on an average daily volume of 319,600 shares, the days-to-cover […]