Medicare, UnitedHealth and DOJ

UnitedHealth Group faces unconfirmed allegations of inflating risk ratings for reimbursements, causing market panic despite ...
The selloff came as more than $2.7 trillion worth of options expired, an event which typically spurs heightened volatility.
UnitedHealth Group tumbled more than 8.6% in premarket after the Wall Street Journal reported that the U.S. Department of Justice is investigating the health care giant's Medicare billing practices.