Stocks closed solidly higher on Friday, pushing major indexes to big weekly gains for the third time in the last four weeks.

Shares of UnitedHealth Group ( UNH 3.45%) are plummeting this week. The company's stock is down 27.4% as of 12:29 p.m. ET. The collapse comes as the S&P 500 ( ^GSPC 0.27%) gained 4.7% and the ...

One of the nation’s largest health insurers is reportedly the target of a Department of Justice investigation for alleged healthcare fraud.

House Democrats are backing the Justice Department case that alleges UnitedHealth Group committed widespread Medicare ...

UnitedHealth Group stock fell as much as 17% Thursday and closed down over 11% lower, touching its lowest levels in five years and marking a more than 50% drop over the last month as negative ...

UnitedHealth Group, one of America’s largest health insurers, is facing a storm of challenges—from a criminal investigation ...

The health care giant's shares are down more than 50% in the last month. That's hurting the powerful U.S. stock-market index.

Jim Cramer weighed in on the deepening crisis at one of America's largest health insurers, which has lately found itself ...

The company’s stock has declined over its financial performance and the sudden replacement of its CEO.

The Department of Justice has launched an investigation of UnitedHealth Group for possible criminal Medicare fraud, according ...

The U.S. Justice Department is investigating UnitedHealth for possible criminal medical fraud. The investigation began as ...

UnitedHealth Group slid again Thursday as the market processed a Wall Street Journal report that the U.S. Department of Justice has launched a criminal fraud investigation of Medicare billing ...