Shares in defense contractors such as Lockheed Martin and Northrop Grumman slumped Wednesday after President Donald Trump pledged to block the companies’ dividends, stock buybacks and what he described as “Over Compensation of Executives” until the sector speeds up its production and maintenance of military equipment.

U.S. President Donald Trump criticized defense contractor Raytheon (RTX.N) on Wednesday for what he called the company's slow response to the demands of the U.S. military and threatened to cut its gov...

The defense contractor committed to surging its Patriot missile output to roughly 2,000 interceptors a year in response to demand from Pentagon officials gearing up for conflicts on multiple fronts.

Lockheed Martin plans to more than triple its annual production of advanced Patriot missile interceptors under an agreement struck with the Pentagon.