BENTONVILLE, Ark. -- It's midwinter, but that doesn't mean supercenter action is cooling down.
Wal-Mart Stores here, the nation's largest operator of those giant food and nonfood combination stores, marked the season by celebrating
its biggest ever supercenter opening spectacular by launching no fewer than 23 supercenters on a single day late last month.
The stores span a 13-state area as far north as upstate New York and as far south as Florida; moving outward fr