Now they're also hurting one of the top gauges of the U.S. stock market, as UnitedHealth's plunging shares weigh down the Dow. UnitedHealth is one of the 30 companies that makes up the Dow Jones ...

UnitedHealth Group is weighing multiple bids for its Latin American operations, according to two people with direct knowledge ...

UnitedHealth fell as much as 20% when U.S. markets opened, the most since Sept. 1999. The guidance cut is rare for UnitedHealth, which typically forecasts conservatively and often raises its ...