美政府拟收紧医保钱，联合健康30年来首次预警营收下滑

Group 1 - Major healthcare stocks, including UnitedHealth, experienced significant declines, with UnitedHealth dropping 19% and hitting a new low since August 2022 [1] - UnitedHealth announced that its revenue is expected to decline for the first time in at least 30 years, projecting a 2% decrease to $439 billion for the year [3] - The proposed changes to Medicare Advantage payment rates for 2027 shocked insurance companies, with expected growth reduced to an average of 0.09%, compared to previous analyst expectations of 4% to 6% [3] Group 2 - The political environment for insurance companies is becoming increasingly challenging, with inflation remaining high and Medicare rate adjustments lagging behind inflation trends [4] - UnitedHealth is under criminal investigation by the U.S. Department of Justice regarding its Medicare billing practices [4]