Northrop Grumman Posts Downbeat Results, Joins Halliburton And Other Big Stocks Moving Lower In Tuesday's Pre-Market Session

U.S. stock futures were higher this morning, with the Dow futures gaining around 300 points on Tuesday. Shares of Northrop Grumman Corporation (NYSE:NOC) shares fell sharply in today’s pre-market trading after the company reported worse-than-expected first-quarter EPS and revenues. The company…