Wal-Mart Is Blowing It in This Huge Emerging Market

Walmart Reports Drop In Quarterly Profits
MIAMI, FL - AUGUST 18: A Walmart store is seen on August 18, 2015 in Miami, Florida. Walmart announced today that earnings fell in the second quarter due to currency fluctuations and the retailer's investment in employee wages and training. (Photo by Joe Raedle/Getty Images)
Photograph by Joe Raedle — Getty Images
When Wal-Mart Stores Inc. first expanded into Brazil’s midwestern farm-belt city of Campo Grande seven years ago, the economy was booming and executives were eager to open stores even in sub-prime locations on one-way streets heading out of town.