Chain stores such as Costco are popping up in Mexico as a growing middle class buys more U.S. goods. The modern retail outlets, filled with U.S. products, are challenging the traditional mom-and-pop stores doling out soda, eggs and tortillas.
Juan Jose Castro and his boss, Mayra Guitierrez, go shopping at the Costco in Huixquilucan, outside Mexico City. Guitierrez said her family comes to Costco nearly every 15 days to buy in bulk and save money. Dominic Bracco II/For The Washington Post