Federal Reserve Chairman Ben Bernanke is scheduled to speak Friday at a conference in Wyoming. Investors are looking for clues that the Fed will do more to stimulate the economy. Saul Loeb/AFP/Getty Images hide caption

Julie Remache and Nathaniel Wuerffel, in front of the trading room. That's the table-tennis trophy in the background. David Kestenbaum/NPR hide caption

A group of people kidnapped by alleged drug traffickers as they were rescued by members of the Mexican army in Sabinas Hidalgo, north of Monterrey, on April 27. Sixteen people, including a woman and a 2-year-old girl, were rescued during the operation. Dario Leon/AFP/Getty Images hide caption

Peace Corps volunteers cheer as President Obama speaks at the airport in Accra, Ghana, in July 2009. Staying connected to friends and family back home is easier for volunteers these days, thanks to technology. Haraz N. Ghanbari/AP hide caption

New Orleans' premier musical event, the Jazz and Heritage Festival, has been steadily rebuilding attendance since then, drawing on nationally known local talent such as Aaron Neville (above). Courtesy of Aaron Neville hide caption