(February 26, 2016, 7:35 AM EST) -- SAN FRANCISCO — A federal judge in California on Feb. 11 granted final approval of a $23 million securities class action settlement, ruling that the settlement amount and attorney fees and litigation expenses sought are fair, adequate and reasonable (In re Zynga Inc. Securities Litigation, No. 12-4007, N.D. Calif.; 2015 U.S. Dist. LEXIS 145728)....