Top officials at the Pentagon are “thinking about” whether the U.S. should acquire equity stakes in leading defense contractors such as Lockheed Martin, Commerce Secretary Howard Lutnick said Tuesday. The Cabinet secretary, in an interview on CNBC’s “Squawk Box,” revealed the Defense Department’s interest in taking those stakes days after the U.S. government acquired 10% of Intel stock in a roughly $9 billion deal. Lutnick was asked if the Trump administration would repeat that move with other companies that do business with the government. “Oh there’s a monstrous discussion about defense,” Lutnick replied. Lockheed, which makes most of its revenue...