US stocks tumble as AI spending and oil prices weigh on market NZ HeraldDow drops 500 points as Brent crude surges above $100; Alphabet and Tesla tank: Live updates CNBCStock market today: Dow, S&P 500, Nasdaq sell off as rising oil prices, bond yields, and AI capex weigh Yahoo FinanceStocks Tumble as A.I. Spending and Oil Prices Weigh on Market The New York TimesWall Street slumps on AI spending fears; oil back above US$100 National Business Review