Russian President Dmitry Medvedev says the world needs new reserve currencies. Medvedev told a regional summit Tuesday that the creation of new reserve currencies in addition to the dollar is needed to stabilize global finances. Medvedev spoke at a summit of the Shanghai Cooperation Organization, which includes China and four Central Asian nations, Associated Press reported. Later Tuesday he hosts a summit of the BRIC group of leading emerging economies _ Brazil, Russia, India and China.