Dow And S&P Open At Record Highs—As Warren Buffett Boosts UnitedHealth Rally
1. UnitedHealth shares soared over 9%, marking a major stock gain. 2. Berkshire Hathaway acquired a $1.6 billion stake in UnitedHealth. 3. Buffett previously held shares but sold them in 2010 during downturn. 4. Economic optimism is supported by expected interest rate cuts by the Fed. 5. Broader market indices, like the Dow and S&P, reached new highs.