Lockheed Martin (NYSE: LMT), 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,

Bloomberg journalists discuss today's biggest winners and losers in the stock market. Listen for analysis on the companies making news on Wall Street.

Lockheed Martin shares are climbing Friday amid heightened geopolitical tensions in the Middle East. Increased demand for military hardware is anticipated following recent Israeli strikes against Iran.

So, the lower stock price, combined with this morning's news, sent the stock rebounding. Not only is Israel a buyer of the F-35 and other Lockheed Martin defense equipment, but if the conflict escalates and the U.S. is drawn in, that could mean the Defense Department's F-35 order reduction might not be as big, or may not happen at all.

Chief Executive Elon Musk said his recent attacks on President Trump [went "too far."](