UnitedHealth Group, America’s largest insurer, is facing yet another crisis. The company’s stock price (NYSE: UNH) plummeted in early trading this morning after a new report alleged that the private insurance provider is facing a probe from the U.S. Department of Justice (DOJ) over its Medicare billing practices, a claim UnitedHealth Group denies. Here’s what to know: https://bit.ly/4kaEMfZ