After Hours: Krispy Kreme shares slide in after-hours trade

8:58 p.m. EDT By Carla Mozee, MarketWatch LOS ANGELES (MarketWatch) ��� Krispy Kreme Doughnuts Inc.���s shares dropped Thursday evening after the sweet-treats maker swung to an unexpected quarterly loss. MarketWatch���s Laura Mandaro and Barron���s Bob...