Have Wal-Mart Supercenters peaked?
Mega-stores lost ground to small kin in quarter
Posted: August 24, 2014 at 2:23 a.m.
Wal-Mart's big-box Supercenters, derived from founder Sam Walton's original discount stores, carried the company through an era of growth and led to Wal-Mart becoming the nation's leading grocer.
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