UnitedHealth has undergone two massive single-session sell-offs in just one month. Cost pressures and regulatory scrutiny are jeopardizing its business model. UnitedHealth’s sell-off has ...

UnitedHealth Group chief executive officer Stephen J. Hemsley, returning to the healthcare giant’s top job after Andrew Witty abruptly stepped down Tuesday said the company has the right ...

UnitedHealth under criminal probe for possible Medicare fraud related to Medicare Advantage business, WSJ reports Co says it not been informed of criminal probe by federal prosecutors UnitedHealth ...

UnitedHealth CEO Andrew Witty is stepping down ... program mostly for people ages 65 and older. AP Health Writer Tom Murphy contributed to this report.

Witty resigned "for personal reasons," UnitedHealth said. He was replaced, effective immediately, by the company's former CEO and current chairman, Stephen J. Hemsley. A UnitedHealth spokesperson ...

UnitedHealth CEO Andrew Witty abruptly stepped down on Tuesday, sending shares down more than 12%. Witty is being replaced by Stephen Hemsley, UnitedHealth's former boss, with immediate effect ...

UnitedHealth CEO Andrew Witty is stepping down for personal reasons and the nation’s largest health insurer suspended its full-year financial outlook due to higher-than-expected medical costs ...

Mary Cunningham is a reporter for CBS MoneyWatch. Before joining the business and finance vertical, she worked at "60 Minutes," CBSNews.com and CBS News 24/7 as part of the CBS News Associate Program.

UnitedHealth Group on Tuesday said Chairman Stephen Hemsley will return to the helm of the health care conglomerate, succeeding CEO Andrew Witty. Witty is stepping down for "personal reasons ...

UnitedHealth CEO Andrew Witty is stepping down ... program mostly for people ages 65 and older. AP Health Writer Tom Murphy contributed to this report.

UnitedHealth CEO Andrew Witty is stepping down for personal reasons and the nation's largest health insurer suspended its full-year financial outlook due to higher-than-expected medical costs ...