Apple is warning that the coronavirus might impact its revenue, and other major American companies like Walmart may also see financial fallout. Moody’s retail analyst Charlie O’Shea examines Walmart’s disappointing quarterly report and what might be next for the retail giant. Mayor Mike Bloomberg made the cut for tomorrow’s Democratic debate in Las Vegas, and Andrew Ross Sorkin takes time off from his day off to share the details on Bloomberg’s plan to change how the financial industry is regulated. Senior Director of the NYC Health and Hospitals Special Pathogens Program Dr. Syra Madad says we’re about a year away from an effective vaccine for the coronavirus; she explains what’s needed to contain the outbreak. CNBC’s Beijing Bureau Chief Eunice Yoon has details on China’s Central Bank’s plan to sanitize—and in some cases destroy—currency that may carry the coronavirus. Plus, if you have questions for Warren Buffett, the Oracle of Omaha and legendary investor, tweet them @SquawkCNBC and tag #AskWarren. Warren Buffett himself will be answering questions from the Squawk audiences on Monday, February 24th.

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