Don't panic: A few fewer F-35 sales won't wreck Lockheed Martin stock.Lockheed Martin (LMT -5.06%), the giant defense stock that makes America's vaunted F-16, F-22, and F-35 fighter jets, tumbled 5.5% through 11:40 a.m. ET Wednesday morning. And why?As Bloomberg reports, the U.S. Pentagon is reducing its budget request for new F-35 stealth fighter jets in fiscal year 2026. Thanks, but no tanks (er, fighter jets)"A U.S. Defense Department procurement request document ... asked for 24 of the planes, down fro ...