Hedge fund manager Bill Ackman said his Pershing Square firm would reduce its stake in the world’s largest music company.

Among the blue-chip-laden Dow Jones Industrial Average (DJINDICES: ^DJI), the two worst-performing stocks in the month of ...

UnitedHealthCare is under investigation by the Department of Justice again for its Medicare Advantage billing practices. This is one of several legal battles and extraordinary mishaps the insurer has ...

10. UnitedHealth Group raised concerns with the SEC after hedge fund manager Bill Ackman suggested the company's profitability could be "massively overstated." ...

UnitedHealthcare faces significant challenges, including a government investigation into its Medicare billing practices. The largest private health insurer in the U.S. also deals with employee buyout ...

Earlier this month, UnitedHealth shares declined after billionaire investor Bill Ackman suggested in a now-deleted post on X that the company overstated its profits. The post referenced a doctor ...

UnitedHealth Group has its headquarters in ... which caught the attention of activist investor Bill Ackman. Ackman is a hedge fund manager who has challenged management over the years at large ...

Bill Ackman, founder and chief executive of Pershing Square Capital Management, has built his reputation as one of Wall Street's most high-profile corporate agitators on high-stakes activist ...

The Wall Street Journal says the U.S. Justice Department in recent months has launched an investigation into UnitedHealth Group ... by activist investor Bill Ackman.

Adding to the company's public relations challenges, billionaire investor Bill Ackman has publicly criticized UnitedHealth's business practices. Earlier this month, he pledged to cover the legal fees ...