Wal-Mart Stores, Inc. reported net sales for the five-week period ending April 6, 2001, of $18.770 billion, an increase of 11.3 percent over the $16.868 billion in the similar period in the prior year. Sales for the nine-week period were $33.655 billion, an increase of 11.5 percent over the $30.184 billion in the similar period in the prior year.