UnitedHealth stock drops 17% after report it is being probed by DOJ for alleged Medicare fraud

UnitedHealth Group’s stock plunged Thursday morning after a report that the embattled insurance giant was being probed for Medicare fraud.The Department of Justice has been conducting the criminal investigation into whether the company — which pushed out CEO Andrew Witty on Monday — manipulated Medicare Advantage billing practices to improperly increase federal payments by inflating patient risk scores, the Wall Street Journal reported on WednesdayThe existence of the probe, which began last year but had no ...