UnitedHealth Group Incorporated (UNH) — Stock analysis

UnitedHealth runs health insurance policies in the US (UnitedHealthcare) and provides health services, pharmacy management and healthcare technology (Optum). Together they serve over 150 million people across insured and service users.

Yes, significantly. Healthcare system reforms (Medicare, ACA, Medicare Advantage rates) directly affect revenue and margins. The stock is sensitive to election cycles and CMS (Centers for Medicare & Medicaid Services) announcements.

Yes. It pays a quarterly dividend raised annually. Yield is typically 1.3-1.8% — low vs healthcare peers by strategic choice (prefers aggressive buybacks).