Key Takeaways Shares of health insurance providers tumbled on a report UnitedHealth Group is being investigated by U.S. officials over possible fraud.The Wall Street Journal said the Department of Justice was looking into the company's Medicare Advantage business.

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

UnitedHealth Group's stock has collapsed nearly 50% in 2025 after a leadership shake-up, surging medical costs, and a DOJ criminal probe into Medicare fraud.

Por MICHELLE CHAPMANEl director general de UnitedHealth, Andrew Witty, dejará su cargo por razones personales y la aseguradora de salud más grande del país suspendió su

Andrew Witty has resigned as chief executive of US health conglomerate UnitedHealth Group, as the company pulled its financial forecasts for 2025, adding to a sense of crisis after a turbulent period.

UnitedHealth Group is being investigated for possible Medicare fraud, according to The Wall Street Journal, sending shares of the healthcare company sliding in after-hours trading just one day after its CEO,