
UnitedHealth tumbles as criminal probe report adds to investor fears
By Sneha S K (Reuters) - UnitedHealth Group (NYSE:UNH) shares plunged nearly 13% on Thursday after a Wall Street Journal report that the U.S. Department of Justice had begun a criminal investigation into the company for potential Medicare fraud. The reported probe adds to a string of recent setbacks for the healthcare conglomerate that has erased more than half, or over $300 billion, from its mark ...