FILE – In this Sept. 5, 2013 file photo, from left, Brazil’s President Dilma Rousseff gestures to then Indian Prime Minister Manmohan Singh, Russia’s President Vladimir Putin, China’s President Xi Jinping and South African President Jacob Zuma, as they gather for a group photo after a BRICS leaders’ meeting at the G-20 Summit in St. Petersburg, Russia. In another sign of the shifting balance of power in the world economy, emerging market powers Brazil, Russia, India, China and South Africa are launching a $100 billion development bank to challenge the U.S.-dominated World Bank and help finance $4.5 trillion worth of infrastructure projects. (AP Photo/Sergei Karpukhin, Pool, File)