Kellogg has said it believes its US breakfast cereals sales will return to growth in 2016.
A new study has highlighted clean label opportunities for manufacturers and retailers in the dairy and bakery categories.
Nature's Own manufacturer Flowers Foods has reported an increase in full-year sales despite a slowdown in the last quarter.
Frito-Lay has benefited from improved productivity and lower commodity costs in the past 12 months, PepsiCo has reported in its full-year results.
Innovation including new nuts and chocolate products has contributed to a strong performance by the confectionery and snacks division of Norwegian-based business Orkla.