Thursday’s biggest gaining and declining stocks By: MarketWatch February 21, 2013 at 08:10 AM EST Constellation Brands Inc. and Pegasystems Inc. gained in premarket trading while VeriFone Systems tumbled and Wal-Mart Stores Inc. trended on Twitter. Read More >> Related Stocks: Anheuser-Busch Inbev S.A. ADR Constellation Brands Paymentus Holdings Inc Cl A Pegasystems Inc Tesla, Inc. Wal-Mart Stores, Inc.