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

US stocks pushed into the green in the first minutes of trading Tuesday, aiming to recover from steep losses led by 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 0.8%, or more than 350 points, while the S&P 500 (^GSPC) picked up roughly 0.4%. The tech-heavy Nasdaq Composite (^IXIC) gained 0.5% as AMD (AMD) shares jumped as much as 10% after the chipmaker entered a deal to provide Meta (META) with a hu ...