PTC Inc (NASDAQ:PTC) saw a large growth in short interest during the month of April. As of April 29th, there was short interest totalling 1,299,325 shares, a growth of 27.5% from the April 15th total of 1,018,997 shares, MarketBeat Ratings reports. Currently, 1.2% of the shares of the stock are short sold. Based on an […]