Walmart to ring today’s closing bell at the New York Stock Exchange

As Walmart hits 8,500 stores worldwide, it's also been improving the look and feel of its stores in the U.S. Shown here is a new supercenter just before its grand opening. (Photo: Business Wire)

Walmart serves more than 200 million customers and members each week in its stores and clubs. Pictured above is a supercenter in China. (Photo: Business Wire)