Mealey's (April 13, 2016, 2:25 PM EDT) -- ST. PAUL, Minn. — A federal district court abused its discretion in granting class certification in a securities class action lawsuit because shareholders failed to satisfy the predominance requirement under the Federal Rules of Civil Procedure, a split Eighth Circuit U.S. Court of Appeals panel ruled April 12 (IBEW Local 98 Pension Fund, et al. v. Best Buy Co., Inc., et al., No. 14-3178, 8th Cir.; 2016 U.S. App. LEXIS 6616)....