A court-appointed special master has found that U.S. authorities do not have evidence to support their billion-dollar fraud case accusing UnitedHealth Group of keeping overpayments from the ...

UnitedHealth Group has its headquarters in an Eden Prairie, Minnesota, building that houses its Optum division for health care services. The company alleged defamation by a Texas surgeon over ...

UnitedHealth Group subsidiary UnitedHealthcare's Minnesota headquarters. The blue chip Dow Jones Industrial Average slipped 1.7%, about 750 points, with UnitedHealth’s drop accounting for about ...

The company put out a statement on Friday rejecting the allegations, but the Wall Street Journal article caused a 7.17% drop in the price of its stock.