Pershing Square and Valeant agree to split legal costs

Bill Ackman's Pershing Square and Valeant Pharmaceuticals have reached an agreement to evenly split legal costs in their nearly two-year long battle against Allergan shareholders. In June 2015, Allergan shareholders sued Pershing and Valeant, claiming they engaged in an insider-trading and front-running scheme. Just before Valeant launched a hostile bid for Allergan in February 2014,...