The scene in a Wal-Mart store in Alexandria, Va. /AP hide caption
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September 2012: Employees celebrate the opening of a Best Price Modern store in Hyderabad, India. Bharti Enterprises manages that and other such stores, which Wal-Mart has invested in. Noah Seelam /AFP/Getty Images hide caption
The millennial generation doesn't shop at the grocery store the way their parents and grandparents do. iStockphoto.com hide caption
Selina Gray of Sanford, Fla., at a protest there on March 31. Julie Fletcher/AP hide caption
At an Exxon Mobil gas station in Chicago; July 29, 2010. John Gress/Getty Images hide caption
Wal-Mart's Dr. John Agwunobi (left) said in a statement that the company won't be "building a national, integrated, low-cost primary care health care platform." Even so, the leaves plenty of room for the retailer to pursue an expansion of health care services at its stores. Cliff Owen/AP hide caption
We are choosing among a dizzying array of low-fat, low-salt, and low-calorie products
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They're likely to push other prices up too: Tuesday's pump prices in Portland, Ore. Rick Bowmer/AP hide caption
A Wal-Mart in Los Angeles. Robyn Beck/AFP/Getty Images hide caption