Federal Reserve Board Chairman Ben Bernanke leaves after he testified at a hearing before the Joint Economic Committee on May 22, 2013 in Washington, DC. - 

As uncertainty over the Federal Reserve's stimulus policy continues, financial markets remain on their bumpy ride. Some market observers expect the Fed to quell concerns over its stimulus policy this week. 

Julia Coronado, senior U.S. economist at BNP Paribas, joins Marketplace Morning Report David Brancaccio to discuss.