Stock market today: Dow, S&P 500, Nasdaq futures falter as Nvidia leaves investors wanting more

US stock futures stalled on Thursday as Nvidia's (NVDA) stellar earnings failed to impress investors, as Wall Street juggles growing worries over AI's potential for payoff and disruption. Dow Jones Industrial Average futures (YM=F) slipped just below the flatline, following solid wins for stocks more broadly on Wednesday. Contracts on the S&P 500 (ES=F) and the tech-exposed Nasdaq 100 (NQ=F) were also little changed. Nvidia shares jumped following its after-hours report Wednesday, but pared gains amid a ...