UnitedHealth's rough stretch continues, with buyouts, a reported DOJ probe and a 23% drop in three months

UnitedHealthcare is in hot water again as the insurance giant grapples with a reported government investigation of its Medicare billing practices, pursues employee buyouts and potential layoffs and clashes publicly with billionaire Bill Ackman.Those developments in recent days extend a tumultuous past year for its parent company, UnitedHealth Group, marked by the killing of a top executive, a costly cyberattack against its subsidiary and high medical costs in its insurance arm. UnitedHealth Group is the big ...