Bitcoin hits lowest level since 2024 and stocks stumble as AI and geopolitical nerves fray

New York — A nervous mood swept through markets Tuesday as stocks stumbled and bitcoin slumped to its lowest level since November 2024. The Dow was down 360 points, or 0.73%. The broader S&P 500 fell 1.25%, retreating after briefly flirting with a record high. The tech-heavy Nasdaq slumped 2%. In a …