Dixons Carphone boss says UK 'must stay in single market'To play this video you need to enable JavaScript in your browser.This video can not be playedDixons Carphone boss says UK 'must stay in single market'CloseDixons Carphone boss Seb James explains how the company is responding to the Brexit vote.SubsectionBusinessPublished29 June 2016Shareclose panelShare pageCopy linkAbout sharingRead description