(September 15, 2015, 1:57 PM EDT) -- SANTA ANA, Calif. — A shareholder filed a securities class action complaint against a fast food chain, certain of its executive officers and directors and its controlling shareholders on Aug. 24, alleging that the defendants misrepresented the business and financial condition of the chain in violation of federal securities laws (Daniel Turocy v. El Pollo Loco Holdings Inc., et al., No. 15-1343, C.D. Calif.)....