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 is being sued by investors who claim the company misled them by allegedly withholding information on how the company was being affected by a backlash prompted by its response to ...

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 Group was sued Wednesday for allegedly concealing how backlash from the killing of a top executive was damaging its business, causing its stock to nosedive after the insurer lowered ...

Christopher Sadowski Last December, the CEO of UnitedHealthcare, a subsidiary which sells health insurance, was gunned down in Manhattan by alleged assassin Luigi Mangione. In February ...

UnitedHealth Group UNH.N was sued on Wednesday for allegedly concealing how backlash from the killing of a top executive was damaging its business, causing its stock to nosedive after the ...

UnitedHealth Group CEO Andrew Witty is stepping down immediately from his role for “personal reasons,” the company announced Tuesday. He will be replaced by Stephen Hemsley, the health insurer ...

UnitedHealth is being sued by a group of shareholders for allegedly hiding a corporate strategy to deny medical care and obfuscating how the killing of Brian Thompson, the CEO of the healthcare ...

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 shares fell more than 15% in early morning trading on Thursday, after The Wall Street Journal reported that the U.S. Department of Justice was investigating the company for ...

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 ...

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 ...