Investors who rushed to snap up defense company stocks in the belief Donald Trump would bolster military spending may be in for a roller coaster ride.
With 140-character broadsides aimed at Lockheed Martin Corp.’s F-35 fighter and Boeing Co.’s Air Force One makeover, the president-elect has introduced new volatility to the normally staid sector. While drugmakers and Ford Motor Co. have also felt his wrath, the outburst against the world’s largest defense company and “out of control” costs for its marquee program underscored the new risk looming in a bull market for weapons-makers.