President-elect Donald Trump on Thursday warned that the government would punish companies seeking to move operations overseas with “consequences,” setting the stage for an unusual level of intervention by the White House into private enterprise. Trump’s remarks came as he triumphantly celebrated a decision by the heating and air-conditioning company Carrier to reverse its plans to close a furnace plant here and move to Mexico, helping keep 1,100 jobs in Indianapolis. About 800 of those were manufacturing positions that had been scheduled to move south of the border, said a person familiar with the negotiations.