SHARE BUY-UP

Ian Livingston, the chairman of Dixons Carphone, has more than doubled his stake after buying shares worth £99,472. he bought 54,655 shares worth £1.82 each after the company’s stock market plunge this week in response to a profit warning. Shares dropped 23pc on Thursday as the firm said soaring costs for new mobile phones meant people were holding on to older models for longer.