General Dynamics Corp - the best personalized free web-based Email en en General Dynamics Corp Lockheed falls as Trump tweets that F-35 program is costly NEW YORK (AP) — Shares of Lockheed Martin fell Monday, wiping out nearly $2 billion of the company's market value, as President-elect Donald Trump tweeted that making F-35 fighter planes is too costly and that he will cut "billions" in costs for military purchases. Shares of other defense contractors, including Raytheon and Northrop Grumman, also tumbled Monday. ... Mon, 12 Dec 2016 21:36:00 GMT 2016-12-12T21:36:00Z