Alcoa says it hasn’t been able to pass along the full cost of the 50% U.S. tariff on aluminum the company produces in Canada. The Midwest delivery premium—a catch-all fee attached to aluminum purchases to cover costs for tariffs,

Metals industries are adjusting to the trade tumult unleashed by Trump this year. He slapped blanket 25% import fees on steel and aluminum in March, before raising those to 50% in June. A planned 50% tariff on copper triggered market mayhem, and the administration is probing potential measures on other metals.