UnitedHealth: What's Happening With UNH Stock?
1. Berkshire Hathaway invested $1.6 billion in UNH, boosting stock by 11%. 2. UNH's valuation at 11 times adjusted earnings is well below its five-year average. 3. Operational challenges persist, including high medical cost ratios and reduced earnings guidance. 4. Buffett's investment indicates perceived value but highlights continued risks. 5. Investors face choices: risk-tolerant to buy now, conservatives to wait.