Why are convenience stores all the rage? Business Earlier this week, Waitrose became the latest UK grocer to announce a big push into the convenience store market. The supermarket giant will open 100 stores in the next five years as part of a $1bn investment plan. Waitrose follows Asda, Morrisons (with its McColl’s estate), Tesco, Sainsbury’s and the Co-op in ploughing ahead with [...]