CNBC Daily Open: Roaring Kitty YouTube live

This report is from today's CNBC Daily Open, our international markets newsletter. CNBC Daily Open brings investors up to speed on everything they need to know, no matter where they are. Like what you see? You can subscribe  here .

Waiting game
The S&P 500 was little changed as traders awaited a key U.S. economic report. The index ticked down 0.02%, after hitting an intraday high, and the Nasdaq Composite slipped 0.09%. The Dow Jones Industrial Average rose 78 points. Nvidia dropped 1.1% after hitting a record high on Wednesday. The yield on the 10-year Treasury was flat ahead of Friday's nonfarm payrolls report as investors look for any signs of weakness in the labor market that could justify Fed rate cuts. U.S. oil prices jumped 2% as the European Central Bank cut rates.

Roaring Kitty live
Shares of GameStop popped nearly 50% after Keith Gill, also known online as Roaring Kitty, announced plans to go live on YouTube for the first time in almost four years. Investors speculated the discussion would center on his massive bet on the brick-and-mortar video game retailer.

Big Tech antitrust probe
The Federal Trade Commission and the Justice Department are initiating antitrust investigations into Microsoft, OpenAI and Nvidia to examine their influence on the AI industry, a source told CNBC. The FTC will investigate Microsoft and OpenAI, while the DOJ will focus on Nvidia. The probes will scrutinize the companies' conduct rather than mergers. The move comes a day after former and present employees of OpenAI raised concerns about the rapid rise of AI and the lack of oversight. 

Robinhood's crypto bet
Trading platform Robinhood Markets agreed to buy crypto exchange Bitstamp for about $200 million in cash as it expands