
Defense giant Lockheed Martin's shares LMT.N rise 1.5% to $456 premarket
U.S. examining possible development of twin-engined warplane to be known as F-55, as well as upgrade to its LMT-made F-22 Raptor called F-22 Super, President Donald Trump said
Trump referred to the proposed F-55 as both an upgrade to the LMT F-35 and a separate new development
As of last close, stock had fallen 7.6% YTD