Mealey's (May 17, 2019, 11:28 AM EDT) -- NEW YORK — A federal district court did not err in certifying a class of investors in a securities class action lawsuit against Goldman Sachs Group Inc. and certain of its executive officers by allowing shareholders to present their price-maintenance theory, the shareholders argue in an April 19 appellee brief filed in the Second Circuit U.S. Court of Appeals (Arkansas Teachers Retirement System, et al. v. Goldman Sachs Group Inc., et al., No. 18-3667, 2nd Cir.)....