UnitedHealth faces valuation reset amid CEO change, regulatory probes, and cost overruns. Click here for a full analysis of ...

Former UnitedHealth Group chief executive officer Stephen Hemsley to replace Andrew Witty. Here's what we know.

We don't need to dwell on the lack of detail behind Andrew Witty stepping down as CEO of UnitedHealth ( UNH) for "personal ...

UnitedHealth Group is being investigated by the Justice Department for possible Medicare Fraud, according to a report.The ...