An artist's installation shows pre-foreclosed homes in Newark, N.J., in July 2009 at the Queens Museum of Art in New York City. Mario Tama/Getty Images hide caption

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Federal Reserve Chair Janet Yellen testifies before the Senate Banking Committee on July 15. She said the Fed is likely to keep interest rates low "for a considerable period" since inflation remains so tame. J. Scott Applewhite/AP hide caption

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Retirees Mike Shane (left) and William Davis protest near the federal courthouse in Detroit on July 3. Workers and retirees approved pension cuts in Detroit's bankruptcy by a landslide, the city reported Monday. Paul Sancya/AP hide caption

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A customer holds his Mega Millions lottery ticket at Tobacco Plus in Muncie, Ind. Researchers say lotteries often draw low-income gamblers who are on welfare. Darron Cummings/AP hide caption

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Visa Checkout will store customers' credit card numbers and billing addresses once without their having to re-enter the information each time they shop online. Visa hide caption

itoggle caption Visa