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

US stock futures nudged higher on Thursday as Nvidia's (NVDA) stellar earnings failed to wow investors, as Wall Street juggles growing worries over AI's potential for payoff and disruption. Dow Jones Industrial Average futures (YM=F) moved up 0.3%, 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 little changed. Nvidia shares jumped following its after-hours report Wednesday, but pared gains to less than 1% amid a luke ...