STEVENSON, Md.--(BUSINESS WIRE)--The securities litigation law firm of Brower Piven, A Professional Corporation, announces that a class action lawsuit has been commenced in the United States District Court for the Central District of California on behalf of purchasers of El Pollo Loco Holdings, Inc. (NASDAQ: LOCO) (“El Pollo Loco” or the “Company”) common stock during the period between May 15, 2015 and August 13, 2015, inclusive (the “Class Period”). Investors who wish to become proactively in