BENTONVILLE, Ark. -- A strong performance in its supercenter and discount-store division contributed to Wal-Mart Stores' 23% sales increase in the second quarter ended July 31.
r. The results were in line with Wall Street's estimates. The company converted 10 conventional Wal-Mart stores to supercenters and opened seven new Sam's Clubs and 19 new conventional stores as part of its second-quarter building program. The projects added about 4.6 million square feet of new retail floor spa