A cashier checks a thousand peso bill inside a Sam's Club store in Mexico City, Mexico on Saturday, Nov. 17, 2012. El Buen Fin, Mexico's equivalent of Black Friday, when the year's biggest discounts are offered by participating stores, is held on the third weekend of November and will run through Nov. 19. Photographer: Susana Gonzalez/Bloomberg via Getty Images
{"Image ImageDescription": "A cashier checks a thousand peso bill inside a Sam's Club store in Mexico City, Mexico on Saturday, Nov. 17, 2012. El Buen Fin, Mexico's equivalent of Black Friday, when the year's biggest discounts are offered by participating stores, is held on the third weekend of November and will run through Nov. 19. Photographer: Susana Gonzalez/Bloomberg via Getty Images", "Image Copyright": "2012 Bloomberg"}