Digimarc Co. (NASDAQ:DMRC – Get Free Report) was the recipient of a significant decrease in short interest in the month of May. As of May 15th, there was short interest totalling 2,110,000 shares, a decrease of 5.4% from the April 30th total of 2,230,000 shares. Based on an average daily volume of 168,000 shares, the […]