Arconic Co. (NYSE:ARNC – Get Free Report) saw a significant growth in short interest in the month of July. As of July 31st, there was short interest totalling 5,980,000 shares, a growth of 7.0% from the July 15th total of 5,590,000 shares. Based on an average daily trading volume, of 1,520,000 shares, the days-to-cover ratio […]