Dow, S&P 500, Nasdaq tumble amid AI safety concerns1 report from 1 outlet in 1 language · first reported 2026-09-28 13:24 UTC · updated 2026-09-28 13:24 UTC · JSONScience & technologyDowS&P 500NasdaqReportsDow, S&P 500, Nasdaq tumble amid AI safety concernsnews.az · en · 2026-09-28 13:24 UTC