Stock futures are little changed after tech sector sell-off: Live updates CNBCSharp drops for AI stocks overwhelm markets worldwide as oil prices jump BNN BloombergCNBC Daily Open: AI spending fears haunt markets before Halloween CNBCNasdaq Tumbles 2% as Meta and Tesla Fall and Oil Prices Surge Yahoo! Finance CanadaU.S. stock futures steady after Nasdaq posts worst day since June Investing.com Canada




