KEY POINTS
  • Trump told industry executives he will impose tariffs on imported steel and imported aluminum.
  • The Dow tumbled more than 580 points after Trump made the announcement.
  • Direct costs of the tariffs could be roughly 10 percent the size of the 2018 Trump tax cuts — hardly enough to upend the economic outlook by itself.
President Donald Trump speaks during a meeting with leaders of the steel industry at the White House March 1, 2018 in Washington, DC.

President Donald Trump signaled Thursday that he will roll the dice with his single strongest asset: the growing U.S. economy.

After hours of chaos at the White House, Trump told industry executives he will impose tariffs of 25 percent on imported steel and 10 percent on imported aluminum.