The Co-operative Group has booked a jump in first-half losses as issues plaguing its troubled banking unit took a significant chunk out of the bottom line. However, the group's retail business saw a "solid" six months, with profits dipping only slightly on increased levels of investment. According to Steve Murrells, chief executive of food, these investments are moving the retail business in the right direction. Katy Askew caught up with Murrells to find out what the group has in the pipeline.