The company has said in regulatory filings that investigations, audits and reviews by a dozen different government agencies ...

UnitedHealth Group, one of the US's biggest corporations and a member of the exclusive Dow Jones Industrial Average, is ...

We're witnessing one of the most dramatic declines by major, well-capitalized stocks in recent memory. Health insurance giant ...

The health care giant's shares are down more than 50% in the last month. That's hurting the powerful U.S. stock-market index.