 Monro NASDAQ:MNRO was upgraded by Zacks Investment Research from a sell rating to a hold rating in a research note issued to investors on Thursday, Zacks.com reports. According to Zacks, Monro Muffler Brake, Inc. is a chain of 1,118 Company-operated stores, 114 franchised locations, five wholesale locations, two retread facilities and 14 dealer-operated stores providing ... 