This week, Mars waged war on Hershey, alleging its US rival was selling "fake" confectionery under the Malteser brand. Q1 results seasons gathered steam and one of the companies reporting, Unilever, admitted it was considering the future of two units. Elsewhere, in an apparent bid to keep up with the grocery sector price war, The Co-operative Group announced it was plugging GBP100m into price cuts and Hillshire Brands announced the purchase of US waffle-to-cereal maker Van's Natural Foods.