Lockheed Martin Corp. (NYSE:LMT) saw a large increase in short interest in July. As of July 15th, there was short interest totalling 7,497,515 shares, an increase of 169.8% from the June 30th total of 2,779,397 shares. Currently, 2.5% of the shares of the stock are sold short. Based on an average daily trading volume, of […]