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 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 has been hammered in a number of ways: increased costs, political pressure over its size, and scrutiny by the Federal Trade Commission and Department of Justice. Cong

By Noel Randewich and Pranav Kashyap (Reuters) -Wall Street stocks ended mixed on Thursday, with gains in Cisco Systems following an upbeat forecast, while UnitedHealth tumbled after a report of a criminal investigation into the insurer.