The chairman of Dixons Carphone is stepping down from his role in May to become executive chairman of the other British telecoms company he founded, ISP TalkTalk (LON:TALK). Charles Dunstone is already TalkTalk’s chairman and largest shareholder with a 30.77% stake, but the value of his holding has fallen almost 50% over the past 18 months. The chairman of Dixons Carphone […]