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.
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.
(Image credit: TIMOTHY A. CLARY/AFP via Getty Images)
