(August 28, 2015, 9:39 AM EDT) -- PASADENA, Calif. — A split Ninth Circuit U.S. Court of Appeals panel on Aug. 25 upheld a trial court’s rejection of a class claim by consumers under Section 1 of the Sherman Act who allege the largest U.S. retailer of musical instruments conspired with guitar and amplifier manufacturers and a trade association to fix prices, finding that while there may have been conduct that violated antitrust laws, there was no evidence supporting the Section 1 claim (In re: Musical Instruments and Equipment Antitrust Litigation, No. 12-56674,...