This is the most expensive market in American history

Veteran investor Jeremy Grantham thinks the artificial intelligence boom has pushed the U.S. stock market to its most expensive level ever and could eventually lead to a historic decline. “Based on the value of the stock market compared to GDP, with modifications, this is the most expensive market in American history,” Grantham told CNBC’s “Squawk…

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Lingering mysteries from Berkshire’s portfolio update

(This is the Warren Buffett Watch newsletter, news and analysis on all things Warren Buffett and Berkshire Hathaway. You can sign up here to receive it every Friday evening in your inbox.) Lingering mysteries from Berkshire’s portfolio update The large reduction in the number of stocks in Berkshire Hathaway’s equity portfolio that was revealed in last Friday’s first quarter 13F…

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How the new stocks are trading

Warren Buffett and Greg Abel walkthrough the Berkshire Hathaway Annual Shareholders Meeting in Omaha, Nebraska on May 3, 2025. David A. Grogen | CNBC Berkshire Hathaway‘s revamp of its portfolio sent certain stocks higher Monday, as investors parsed the company’s latest bets and exits disclosed in the conglomerate’s quarterly filings. The Omaha-based conglomerate disclosed its…

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