Shares of UnitedHealth Group plunged more than 13% following a report that the Department of Justice is carrying out a criminal investigation into the health-care giant over possible Medicare fraud.

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 ...

On Feb. 21, 2025, shares of UnitedHealth Group UNH plummeted in what ranks as one of the stock’s worst days in the past two decades. The culprit was a report from The Wall Street Journal that ...