Campbell Soup CompanyCPB is scheduled to release fourth-quarter fiscal 2018 results on Aug 30. Click to get this free report Campbell Soup Company (CPB): Free Stock Analysis Report Pinnacle Foods Inc. (PF): Free Stock Analysis Report Conagra Brands Inc. (CAG): Free Stock Analysis Report General Mills, Inc. (GIS): Free Stock Analysis Report To read this article on Zacks.com click here. In third-quarter fiscal 2018, adjusted gross margin contracted 390 basis points, mainly due to cost inflation, escalated supply-chain expenses (particularly in C-Fresh) and promotional spending (especially in Americas Simple Meals and Beverages) along with dilutive effect from recent buyouts.