DOJ probes UnitedHealth’s Medicare billing practices, WSJ reports; shares tumble
(Reuters) -The U.S. Justice Department has launched an investigation into UnitedHealth’s Medicare billing practices in recent months, the Wall Street Journal reported on Friday, citing people familiar with the matter. Shares of the company fell nearly 10% in premarket trading. Shares of other health insurers also fell before the bell. NYSE – Nasdaq Real Time…