Stock Market Today (Nov. 18, 2025): Nasdaq slides as AI trade stumbles; Tesla, Palantir, SMCI pace tech losses ahead of Nvidia earnings; Disney ends YouTube TV blackout
Market snapshot — mid‑day Tuesday, Nov. 18 AI trade under pressure: Why Nvidia’s print looms so large Tech led the sell‑off again as investors questioned whether multi‑quarter AI capex can keep delivering near‑term returns. With Nvidia set to report Wednesday,