UnitedHealth CEO steps down as company pulls 2025 financial forecast
1. CEO Andrew Witty steps down; Stephen Hemsley becomes CEO. 2. Full-year financial outlook suspended due to higher medical costs. 3. Shares have plummeted 38% since December incident affecting investor sentiment. 4. UnitedHealth's revenue surged under Witty, but performance setbacks are concerning. 5. Company's growth in Medicare Advantage remains strong, with over 8 million customers.