DNKN - Dunkin' Brands gains on Guggenheim confidence December, 20 2019 09:25 AM Dunkin' Brands Group Inc. Dunkin' Brands (NASDAQ:DNKN) breaks higher in early trading after Guggenheim lifts the restaurant stock to a Buy rating from Neutral.More news on: Dunkin' Brands Group, Inc., Consumer stocks news, Stocks on the move, Read more ...