Morrisons has pledged to match prices with its rivals on hundreds of products, as the debt-ridden grocer ramps up an emerging price war between UK supermarkets. The private-equity-owned supermarket has vowed that 500 of its “everyday essentials” will not be found cheaper at any of Tesco, Sainsbury’s, Asda, Aldi or Lidl. Britain’s supermarkets are fighting [...]