Daily SumUp

 President Donald Trump said Wednesday he was placing 25% tariffs on auto imports, a move the White House claims would foster domestic manufacturing but could also put a financial squeeze on automakers that depend on global supply chains.

“This will continue to spur growth,” Trump told reporters. “We’ll effectively be charging a 25% tariff.”

The tariffs, which the White House expects to raise $100 billion in revenue annually, could be complicated as even U.S. automakers source their components from around the world. The tax hike starting in April means automakers could face higher costs and lower sales, though Trump argues that the tariffs will lead to more factories opening in the United States and the end of what he judges to be a “ridiculous” supply chain in which auto parts and finished vehicles are manufactured across the United States, Canada and Mexico.

To underscore his seriousness about the tariffs directive he signed, Trump said, “This is permanent.”

Shares in General Motors fell roughly 3% in Wednesday trading. Ford’s stock was up slightly. Shares in Stellantis, the owner of Jeep and Chrysler, dropped nearly 3.6%.