Bill Ackman, the owner of investment firm Pershing Square, said on Saturday that he is reincorporating his management company ...
UnitedHealth Group has raised concerns with the top US securities regulator over a social media post by activist investor ...
With Bill Ackman's posts, one of the world’s most prominent investors is intensifying a dispute between a doctor and ...
jumped 9.5% in the afternoon session after famous investor Bill Ackman revealed a 30.3m stake (shares) in the company, ...