Markets

Trump announced new auto tariffs after a rough day in the market for Tesla

President Donald Trump sitting at his desk in the Oval Office, with Elon Musk standing beside him with his arms crossed.
Elon Musk and President Donald Trump. Alex Brandon
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Tesla shares dropped 6% amid a broad sell-off on Wednesday prior to President Donald Trump signing an order to implement a 25% tariff on auto imports, which came after the market close.

Investors started preparing during regular trading hours. After wavering earlier in the day, the market moved sharply lower following the news of the announcement. Tesla shares tumbled, and the unexpected tariff update jolted other car makers.

While Ford and General Motors were sharply lower, tech shares also took a hit amid the expectation that more cautious corporate activity and investment would eventually erode earnings growth market-wide.

Here's where major US indexes ended the day. The Magnificent 7 were among the market's biggest losers.

  • S&P 500: 5,712.20, down 1.1%
  • Dow Jones Industrial Average: 42,454.79, down 0.3% (133 points)
  • Nasdaq Composite: 17,899.02, down 2%

In a press conference held after market close, Trump said a new 25% tariff would apply to all cars and light trucks not made in the US.

"So we'll effectively be charging a 25% tariff, but if you build your car in the United States, there's no tariff," Trump said. The president suggested the new tariff could stimulate manufacturing growth in the United States if foreign-owned auto companies expand or create new plants in the country to circumvent the import fees.

"A lot of foreign car companies are going to be in great shape because they've already built their plant, but their plants are underutilized, so they'll be able to expand them inexpensively and quickly," Trump said. "Others will come into our country and build, and they're already looking for sites."

Trump said he didn't consult Tesla CEO Elon Musk about the tariff because Musk "may have a conflict" when offering advice on the subject.

"Elon's amazing; he's never asked me for a favor in business whatsoever," Trump said. "I've never had Elon say, 'Would you do me a favor with the electric mandate?' or anything. He's never asking for anything."

The auto tariff comes in addition to other duties imposed on goods and materials such as steel and aluminum imported from Canada, Mexico, and China. Trump has repeatedly extended the deadlines for the international tariffs to take effect, and then walked the extensions back during trade negotiations, increasing tension between the US and its allies to the North and South.

The escalating trade tensions have shaken the stock market in recent weeks, with Trump's auto tariff announcement sending shares tumbling once again.

The artificial intelligence giant Nvidia had already dropped earlier in the day and ended lower by about 6% following a report that it could face fresh regulatory hurdles in China, which accounts for 13% of its annual sales. Beijing is reportedly tightening chip energy standards, and these new rules would exclude Nvidia's best-selling processor.

Wednesday's tumble snapped a three-day winning streak for the S&P 500. The benchmark index rallied in recent days amid a softening of Trump's reciprocal tariff policy, which is scheduled to kick in on April 2.

Here's where the market's top tech names stood at the 4 p.m. ET closing bell on Wednesday:

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Katherine Tangalakis-Lippert's face on a white background
Katherine (Tangalakis-Lippert) Ortiz
Katherine (Tangalakis-Lippert) Ortiz was a senior reporter on Business Insider's West Coast team. For four and a half years, her coverage spanned topics and industries, including chasing breaking news — such as the assassination attempts against President Donald Trump, and major legal actions against companies like Google, Anthropic, and OpenAI — as well as producing scoops about the Supreme Court, Starbucks, and many more. Katherine has worked on award-nominated projects and has appeared on Good Morning America, NBC, CNN, and other outlets to discuss her reporting.Prior to joining Business Insider, she covered retail, hospitality, and nonprofits at the San Fernando Valley Business Journal and received a master's degree in investigative reporting from the University of Southern California.Reach outDo you have feedback or a story tip? Contact Katherine on Signal at byktl.50, or follow her on Twitter and Instagram @scrawlgirl.Some of the highlights from her time at Business Insider include: Starbucks set up a new office. It's a 5-minute drive from the CEO's California home.Inside Starbucks' crackdown on cup notesEndless Shrimp was Red Lobster's rock bottom. Now it's clawing back.Clarence Thomas raised him 'as a son.' Now he's facing 25-plus years on weapons and drug charges.Call her Ivanka Kushner'Maybe I'll just resign:' Federal workers react to DOGE productivity emailSpaceX launches cause late-night booms that rattle windows, set off car alarms, and may damage property. Locals are pushing back.The US-China tech race is moving from chips to the raw materials they're made of