UnitedHealth stock slides premarket as Medicare Advantage rate plan shakes insurers before earnings
UnitedHealth shares fell 8.3% to $322.32 in premarket trading after CMS proposed a near-flat 0.09% average payment increase for 2027 Medicare Advantage plans and stricter rules on diagnosis data. The move triggered a broad selloff in managed-care stocks, with CVS Health and Humana also dropping sharply. UnitedHealth is set to report earnings and its 2026 outlook before the market opens. CMS will accept comments on the proposal until Feb. 25.