He will replace Andrew Witty effective immediately. UnitedHealth Group named Tim Noel the new CEO of the company's insurance division, UnitedHealthcare, after the targeted killing of former CEO ...

UNH has lost more than $200 billion in market value in the last six months. The company’s old CEO sees a fix. Investors ...

The P/B ratio shows how a stock's market price compares to its book value. It helps gauge whether a stock is undervalued or overvalued relative to its net assets.