UPDATE 2-Allergan promises independent board chair in next leadership change
March 22, 2019 at 19:25 PM EDT
Allergan Plc on Friday agreed to split its chairman and chief executive roles, but only at its next leadership change, as the drugmaker pushed back against claims from activist hedge fund Appaloosa LP that an independent chair could help current CEO Brent Saunders boost the company's sagging share price.