BRITAIN IRELAND SCOTLAND YOUNG PEOPLE WOMEN David Ross RESULTS 2006 Ranking Worth Industry 113 £562m Mobile phones Bumper mobile phone sales pushed shares in Carphone Warehouse to record highs. Ross, 40, its co-founder with Charles Dunstone (qv) in 1989, has a stake in the London company worth £516m. Ross, who is mourning the death of his sister from stab wounds this month, is worth £562m. RESULTS 2005 Ranking 2005: Worth £m