The Wal-Mart division's sales for the four-week period were $10.535 billion, up 15.2 percent over sales of $9.148 billion in the similar prior-year period. Wal-Mart Stores, Inc. reported net sales for the four-week period ending Aug. 31, 2001, of $16.531 billion, an increase of 14.3 percent over the $14.457 billion in the similar period in the prior year. Sales for the 30-week period were $119.325 billion, an increase of 13.2 percent over the $105.407 billion in the similar period in the prior year.