On Friday, high-profile investors Michael Burry and Warren Buffett took positions in UnitedHealth Group Inc. (NYSE:UNH). Warren Buffett's fund bought little more than 5 million shares, and Burry disclosed in 13F filings that he purchased call contracts against 350,

Interestingly, Berkshire’s shares held in Charter Communications (NASDAQ: CHTR) dropped by over 46%. Since initiating a position in Q2 2016, Charter shares have returned only 79% through Q2 2025. That’s less than one-third of the S&P 500’s 242% return over that period.

If any investor has stood the test of time, it is Warren Buffett, and with good reason. For years, the “Oracle of Omaha” has had a rock-star-like presence in the investing world, and his annual Berkshire Hathaway shareholders meeting draws thousands of loyal fans who are investors.

Momentum in U.S. stocks just keeps building, with the S&P 500 recently hitting fresh record highs. Yet despite the market euphoria, one gauge — popularized by none other than Warren Buffett — is flashing red.

See Berkshire Hathaway Inc.'s strategy with a big new stake in UnitedHealth. Learn how it's hedging against recession and stagflation. Click for my BRK.A update.