Supermarket Dominance

Why does some retail dominate?  A history of the dominance of a company that started in 1919.  " ... "It became such a success story because it was aggressive at adapting to consumer trends, diversifying and innovating," says Gray. "It took a hell of a lot of risks in the 1990s but they paid off." And diversify it did. Tesco is now a bank, it offers insurance, credit cards and loans. You can buy a flat-screen TV, a mobile phone and clothes alongside bread, milk and butter. It runs education programmes for staff and keep fit classes. ... "