Debt ceiling negotiations impact global stock markets.

Stocks may have a volatile day after Fitch's warning about the US debt rating and Nvidia's blowout earnings report. Negotiations between the White House and House Speaker Kevin McCarthy's team to raise the debt ceiling are improving but still not where they need to be. Nvidia shares soared after the chip maker posted a big earnings beat and offered sales guidance way above Wall Street's estimates. American Eagle Outfitters' shares plunged 19% in off-hours trading after the company lowered its outlook for revenue and operating income for the year, while rival Abercrombie & Fitch posted a surprise profit and raised its guidance for the year. Florida Gov. Ron DeSantis' announcement of his candidacy for presidency was marred by glitches and crashes during a Twitter Spaces livestream.