CANADA - 2025/10/01: In this photo illustration, the UnitedHealth Group (United Health) logo is seen displayed on a smartphone screen. (Photo Illustration by Thomas Fuller/SOPA Images/LightRocket via Getty Images)SOPA Images/LightRocket via Getty ImagesUnitedHealth Group stock (NYSE: UNH) has declined by 7% over the past month. This downturn is attributed to several significant investor concerns, including rising medical costs within its Medicare Advantage plans, ongoing regulatory and legal scrutiny, and m ...