Wal-Mart ( WMT) will spend $500 million to acquire a grocery store chain and related credit card operations in Brazil from Ahold ( AHO). Bompreco, the retain chain, will cost $300 million, while Hipercard, the credit card unit, will cost $200, Wal-Mart said. Bompreco has about 118 outlets in northeastern Brazil, employing more than 20,000 employees. With the acquisition, Wal-Mart will have 143 stores in Brazil. Wal-Mart was up 78 cents, or 1.3%, to $60.34.