UnitedHealth Group (UNH) disclosed that an error on the hospital’s part led to a phone call that pulled a surgeon from the operating room. This

UnitedHealth Group Inc. said a hospital error led to its phone call with a Texas surgeon that was later criticized by billionaire Bill Ackman, who suggested that the insurer overstated profits in a since-deleted post on social media.

UnitedHealth (NYSE:UNH) has contacted the US Securities and Exchange Commission about its issues with hedge fund investor Bill Ackman's since-deleted post on X about the insurer's earnings. Shares of UnitedHealth fell 1.

UnitedHealth Group stock dived Friday following a report that said the Justice Department had launched a civil fraud investigation into the company’s Medicare billing practices. The DOJ probe aims to examine the healthcare company’s practices for documenting diagnoses that trigger extra payments to its Medicare Advantage plans,