Key Takeaways UnitedHealth rose 8.6% on optimism about its Medicare Advantage star ratings outlook.UNH expects 78% of MA members in 4-star or higher plans, matching its track record.CVS and Centene gained on MA optimism, while Humana fell 12% on tougher bonus thresholds.UnitedHealth Group Incorporated (UNH) jumped 8.6% yesterday, after signaling confidence in its Medicare Advantage (MA) star ratings outlook for next year, easing concerns about recent setbacks. Stronger ratings mean larger financial incentiv ...