CHICAGO (Reuters) - Wal-Mart Stores Inc said sales at its U.S. discount stores open at least a year fell 1.8 percent during the chain's most important quarter.
The world's largest retailer earned $5.02 billion, or $1.41 per share, up from $4.82 billion, or $1.26 per share, a year earlier.
(Reporting by Jessica Wohl; Editing by Lisa Von Ahn)
