The man with the billion dollar brain

An investment genius is begging to be deported so he can make a fortune in China after memorising stolen trade secrets worth more than £31million, a court heard. Ke Xu’s former employers Trenchant Trading Systems Private Ltd are fighting to keep him in the country to stop him taking the codes to rival firms in the Far East. They are willing to pay the 33-year-old up to £48,000 a year to live in the UK until the algorithms, which are…