Nasdaq futures jump on CoreWeave earnings; hot CPI boosts Fed hike bets

U.S. stock futures rose Wednesday, led by tech shares after CoreWeave's strong earnings, while investors weighed increased Federal Reserve rate hike bets following hotter-than-expected inflation data. S&P 500 futures gained 0.6%, Nasdaq 100 futures climbed 1.4%, and Dow futures rose 0.2%. CoreWeave surged over 16% in extended trading on better-than-expected revenue and strong cloud demand. Tuesday's CPI rose 0.4% monthly, exceeding forecasts, while Fed officials signaled support for further hikes. Markets now price a 91% chance of a 25-basis-point rate increase in December, up from 84% Monday. Nvidia fell 5.5% amid concerns over CEO Jensen Huang and reports of an internal probe into alleged chip shipments to China.