UnitedHealth Group is experiencing a significant downturn, with stock prices plummeting approximately 22% following a shock in earnings results and substantial cuts to its 2025 profit outlook. The company reported unexpected increases in Medicare costs and a surge in treatment among seniors, leading to a loss of nearly $120 billion in market value. Despite posting a record revenue of $110 billion, the unexpected forecast adjustments have sent ripples through the health insurance sector, raising concerns among investors. While some competitors appear unaffected, UnitedHealth’s troubles have cast a shadow over the entire industry and sparked discussions about the stability of Medicare Advantage programs.