The Iowa Republican’s letter to the company cites findings from a series of Wall Street Journal articles.

A split on Wall Street is widening on Thursday, as the U.S. stock market's frenzy around artificial-intelligence technology ...

Eden Prairie-based health care giant says it’s not aware of the launch of any new Justice Department activity as reported by ...

UnitedHealth Group saw its share price fall on Friday after the Wall Street Journal reported that it was facing a DOJ ...

Wall Street is pulling further from its record after reports on Friday showed worries about President Donald Trump’s policies ...

Wall Street's main indexes were set for a mixed open on Friday, a day after Walmart's dour forecast hit sentiment, while ...

D: Noon on Feb. 21The Department of Justice is probing UnitedHealth Group's billing practices in Medicare Advantage, ...

UnitedHealth Group Inc. (NYSE: UNH) shares are trading lower Tuesday after the Wall Street Journal reported that Senator ...

The selloff came as more than $2.7 trillion worth of options expired, an event which typically spurs heightened volatility.

The probe is analyzing the company’s practice of frequently logging diagnoses that trigger larger payments to its Medicare ...