Trump's Tariff Impact on Stocks: Live Market Analysis

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Daily Market Coverage Feb. 24, 2026 9AM-11AM (ET) | Yahoo Finance

Stock market today: Dow, S&P 500, Nasdaq climb after AI-fueled sell-off as new Trump tariff kicks in

US stocks rose at the start of trading on Tuesday, aiming to recover from steep losses amid fears of AI disruption as President Trump’s new global tariff came into effect.

The Dow Jones Industrial Average (^DJI) led the way up, gaining roughly 0.9%, or more than 400 points, while the S&P 500 (^GSPC) picked up roughly 0.6%. The tech-heavy Nasdaq Composite (^IXIC) gained 0.9% as AMD (AMD) shares jumped as much as 10% after the chipmaker entered a deal to provide Meta (META) with a huge amount of GPUs for the Facebook owner’s AI build-out.

The cautious rebound follows a sharp sell-off on Monday as investors grappled with renewed concerns that rapid advances in AI could disrupt broad swaths of corporate America.

That puts the spotlight on Anthropic’s virtual event on Tuesday morning, featuring updates to its AI tools and Claude chatbot for companies. Wall Street is on watch after the AI start-up’s recent product reveals hit sectors from software to consulting services, with IBM (IBM) the latest victim.

Meanwhile, worries of a revived trade war are still keeping markets on edge, after President Trump’s new 10% global tariff took effect on Tuesday. The move has thrown existing trade deals into doubt, after the EU and Japan protested that the duties leave them worse off than agreed.

According to several reports, the White House is now working on a formal order to raise the rate to 15%, as threatened by Trump, and is preparing plans to launch national security probes on sectoral imports that could lead to more tariffs. Given that, investors will listen closely to Trump’s State of the Union address later Tuesday for hints on his trade policy as he lays out his view of the economy.

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