This report is from today's CNBC Daily Open, our new, international markets newsletter. CNBC Daily Open brings investors up to speed on everything they need to know, no matter where they are. Winning weekStocks and bonds in the U.S. rallied in tandem on Friday as markets digested jobs data and rebounded from October lows. Musk's GrokElon Musk's new AI company, xAI, released Grok, a generative artificial intelligence chatbot similar to ChatGPT. But Buffett's company did register a loss of $24.1 billion in the third quarter because of drops in Apple's shares.

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Persons: nonfarm, That's, Grok Elon, Grok, Berkshire Hathaway, Stocks, Piper Sandler Organizations: Los Angeles, CNBC, Siemens, India's Siemens Ltd Locations: Los Angeles , California, U.S