Market Awaits Nvidia Earnings as Tech and Crypto Sectors Watch Closely

US stock futures edged higher ahead of Nvidia's pivotal earnings report, with the Dow, S&P 500, and Nasdaq 100 all posting modest gains. The chipmaker's results, due after Wednesday's close, are seen as a litmus test for AI investment enthusiasm amid growing skepticism. Nvidia shares have surged 35% year-to-date despite geopolitical headwinds.

Federal Reserve turmoil intensified as President TRUMP moved to oust Governor Lisa Cook over fraud allegations. Cook's refusal to resign and planned legal challenge threatens to drag central bank independence into the courts. The political uncertainty cast a pall over Tuesday's cautious trading session.

In after-hours action, Cracker Barrel stock rallied on news it WOULD revert to its classic logo following public backlash. Cybersecurity firm Okta surged on strong earnings, while UnitedHealth continued its decline amid regulatory concerns.