Stratasys Ltd. (NASDAQ:SSYS – Get Free Report) saw a significant growth in short interest in January. As of January 15th, there was short interest totalling 1,640,000 shares, a growth of 27.1% from the December 31st total of 1,290,000 shares. Based on an average daily volume of 648,400 shares, the short-interest ratio is presently 2.5 days. […]