It keeps getting worse for UnitedHealth Group Inc. investors, as a report of a criminal investigation into its Medicare practices sent the stock diving again in early Thursday trading.

Stephen Hemsley hasn’t been CEO at UnitedHealth Group in nearly a decade yet he’s never really left. Hemsley, 72, has remained chairman and a major shareholder in the health care behemoth — and now is back in the CEO

UnitedHealth Group CEO Andrew Witty has stepped down unexpectedly and company veteran Stephen Hemsley is returning to the top role to steer the healthcare conglomerate through one of its most challenging periods.

UnitedHealth stock offers high risk/reward potential amid challenges like CEO resignation & DOJ investigation. Learn more about UNH stock here.

UnitedHealth is being investigated by the Justice Department for possible criminal Medicare fraud, The Wall Street Journal reports, Walmart’s earnings top analysts’ estimates but the retailer warns it will have to raise prices,

UnitedHealth Group CEO Stephen Hemsley, who replaced Andrew Witty, said he has the right strategy in place “for the era ahead.”

UnitedHealth Group Inc. is giving Stephen Hemsley a one-time $60 million equity award on top of a $1 million base salary as he begins his second round as chief executive officer of the beleaguered insurer.

(Reuters) -UnitedHealth Group CEO Stephen Hemsley will get an annual base salary of $1 million and a one-time $60 million equity award as he returns to the top role at a tough time for the healthcare conglomerate.