US stock futures are down marginally on Sunday evening following Fed Chair Jerome Powell's dovish comments on Friday, during the Federal Reserve's annual Jackson Hole symposium, where he hinted at a potential rate cut in September.

Now, Wall Street is bracing for Nvidia earnings, which land Wednesday after the bell. Expectations for its results are sky-high, with the company's stock up almost 34% so far this year, even as restrictions on chip sales to China have possibly cost the company billions.

U.S. stock futures were rising early Wednesday after indexes reached new highs on the back of encouraging inflation data, firming up bets on a September rate cut from the Federal Reserve. Dow Jones Industrial Average futures were up 97n points,