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Stock market today: Dow falls 800 points, S&P 500, Nasdaq slide as Trump's latest tariff salvo reverberates through markets

By Mark GrundellYahoo FinanceFebruary 23, 2026 at 7:49 PMBearish1 min read

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U.S. equity markets experienced a significant broad-based selloff as investor sentiment soured over escalating trade tensions following President-elect Trump’s proposal of a 25% tariff on goods from Mexico and Canada, alongside an additional 10% on Chinese imports. The Dow’s 800-point decline reflects heightened fears that protectionist policies will disrupt global supply chains, stoke inflationary pressures, and potentially complicate the Federal Reserve’s path toward interest rate cuts. This volatility is particularly impactful for the automotive, retail, and manufacturing sectors, which rely heavily on cross-border integration established under the USMCA. The market reaction underscores a shift in the 'Trump Trade' narrative; while the market initially celebrated deregulation and tax cuts, the focus has now pivoted to the downside risks of trade protectionism. Investors should closely monitor retaliatory threats from target nations and upcoming corporate earnings guidance, as companies may begin to quantify the potential impact of higher input costs on their 2025 margins.

Analyst sentiment: Bearish
What to watch next

Watch upcoming earnings, policy statements and sector-level price action for confirmation.

Key Takeaways

  • 1The Dow Jones Industrial Average plunged over 800 points as the market reacted to proposed 25% tariffs on Canada and Mexico, the two largest U.S. trading partners.
  • 2Equity markets are pricing in higher inflation risks and potential supply chain disruptions, which could delay further interest rate reductions by the Federal Reserve.
  • 3The automotive and consumer staples sectors are seeing outsized weakness due to their high reliance on imported components and finished goods from the North American trade corridor.
  • 4This move signals a shift in market focus from domestic growth-oriented policies toward the potential for global trade instability and increased geopolitical friction.

U.S. equity markets experienced a significant broad-based selloff as investor sentiment soured over escalating trade tensions following President-elect Trump’s proposal of a 25% tariff on goods from Mexico and Canada, alongside an additional 10% on Chinese imports. The Dow’s 800-point decline reflects heightened fears that protectionist policies will disrupt global supply chains, stoke inflationary pressures, and potentially complicate the Federal Reserve’s path toward interest rate cuts. This volatility is particularly impactful for the automotive, retail, and manufacturing sectors, which rely heavily on cross-border integration established under the USMCA. The market reaction underscores a shift in the 'Trump Trade' narrative; while the market initially celebrated deregulation and tax cuts, the focus has now pivoted to the downside risks of trade protectionism. Investors should closely monitor retaliatory threats from target nations and upcoming corporate earnings guidance, as companies may begin to quantify the potential impact of higher input costs on their 2025 margins.

U.S. equity markets experienced a significant broad-based selloff as investor sentiment soured over escalating trade tensions following President-elect Trump’s proposal of a 25% tariff on goods from Mexico and Canada, alongside an additional 10% on Chinese imports. The Dow’s 800-point decline reflects heightened fears that protectionist policies will disrupt global supply chains, stoke inflationary pressures, and potentially complicate the Federal Reserve’s path toward interest rate cuts. This volatility is particularly impactful for the automotive, retail, and manufacturing sectors, which rely heavily on cross-border integration established under the USMCA. The market reaction underscores a shift in the 'Trump Trade' narrative; while the market initially celebrated deregulation and tax cuts, the focus has now pivoted to the downside risks of trade protectionism. Investors should closely monitor retaliatory threats from target nations and upcoming corporate earnings guidance, as companies may begin to quantify the potential impact of higher input costs on their 2025 margins. The development arrives against a backdrop of shifting risk appetite, where investors are reassessing exposure to markets and weighing the second-order impact on adjacent sectors. Investors are watching the broader tape for follow-through. Live pricing was not available at the time of writing, but positioning data and order-book signals will shape the next session. Positioning across funds, options skew and credit spreads typically respond first; equity price action lags but tends to confirm the direction once volume returns. Readers should treat the immediate move as a sentiment proxy rather than a final verdict on fundamentals. For longer-horizon allocators the

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