Tags: William Ackman

Activist investor William Ackman admitted that he made mistakes on all three retailers that included J.C. Penney, Target and Borders Group.

J.C. Penney Co prepares to hire at least one new director to appease largest shareholder William Ackman's demands for a more functional board.

Pershing Square Capital shareholder William Ackman unveils the finalization of its purchase of Air Products & Chemicals.