Diageo names cost-cutting veteran as new CFO   •   Hidden Valley debuts dark Halloween ranch sauce   •   Apps often misjudge nutrition for individual needs   •   General Mills boosts new product releases   •   Ferrero relaunches Wonka candy brand with Netflix tie-in   •   Diageo names cost-cutting veteran as new CFO   •   Hidden Valley debuts dark Halloween ranch sauce   •   Apps often misjudge nutrition for individual needs   •   General Mills boosts new product releases   •   Ferrero relaunches Wonka candy brand with Netflix tie-in   •