UnitedHealth Group (UNH), Humana (HUM), CVS Health (CVS) and other health insurers jumped late Monday as the Trump administration announced higher-than-expected Medicare Advantage payment rates for 2027. Medicare Advantage payment rates will rise by 2.48% next year, or $13 billion, according to the Centers for Medicare and Medicaid Services. In January, the Trump administration proposed just a 0.09% gain. Investors…