UnitedHealth (UNH) stock slips as Senate report puts Medicare Advantage under the microscope
New York, Jan 13, 2026, 19:13 EST — After-hours Shares of UnitedHealth Group Incorporated dropped nearly 2% Tuesday, deepening a retreat sparked by a U.S. Senate report scrutinizing how the insurer logs diagnoses in Medicare Advantage. Humana, Elevance Health, and Cigna also saw declines. The report comes at a tricky point for the sector. Insurers are pushing to reassure investors they can steady margins following a tough run under government plans, even as lawmakers and regulators ramp up scrutiny on billing and audits. Medicare Advantage is managed by private insurers but funded by the federal government. These plans get a