(November 13, 2015, 7:56 AM EST) -- NEW YORK — A federal judge in New York on Nov. 9 granted final approval of a $26.5 million settlement of several securities class action lawsuits that are part of a multidistrict litigation concerning the initial public offering (IPO) of Facebook Inc. common stock, ruling that the settlement is fair and that their request for attorney fees and costs is reasonable (In re Facebook Inc. IPO Securities and Derivative Litigation, No. 12-2389, S.D. N.Y.; 2015 U.S. Dist. LEXIS 152668)....