A London-based day-trader accused by the United States of market manipulation that contributed to the Wall Street "flash crash" in 2010, failed to persuade a court on Friday to postpone his extradition hearing. Navinder Sarao, who lives with his parents in a small house near London's Heathrow Airport, was arrested by British police on a U.S. extradition warrant in April after being charged with wire fraud, commodities fraud and market manipulation by the U.S. Justice Department. He was freed on bail on Aug. 14 after spending four months in prison. On Friday , his defence lawyer James Lewis told Westminster ... (full story)