Andrew Witty, UnitedHealth Group's CEO, stepped down for personal reasons, the company announced Tuesday. Stephen Hemsley has been appointed the company's CEO. Meanwhile, UnitedHealth Group has ...

In its first financial results since its insurance unit CEO was fatally shot in New York City, UnitedHealth Group reported Thursday weaker-than-expected fourth-quarter revenue, prompting its ...

Also, the DOJ in November sued — on antitrust grounds — to block UnitedHealth Group’s proposed $3.3 billion proposed acquisition of home health care and hospice provider Amedisys.