UnitedHealthcare
Why UnitedHealth’s terrible year is dragging down the Dow
The health care giant's shares are down more than 50% in the last month. That's hurting the powerful U.S. stock-market index.
UnitedHealth Group abruptly replaces CEO Andrew Witty, deepening a terrible year
The health care conglomerate is facing mounting financial problems – and ongoing consumer anger over high costs and denied claims.
