A visitor passes a large electronic screen display stock price information at the OAO Moscow Exchange in Moscow, Russia, on Thursday, Aug. 29, 2013. Russia's main stock and fixed-income exchange will move on Sept. 2 from the current system of T+0, in which trades must be settled on execution, to a T+2 mode for all equities, Russian depositary receipts and exchange-traded funds. Photographer: Andrey Rudakov/Bloomberg