Wal-Mart

(WMT) - Get Report

reported a same-store sales increase of 6% for the five-week period ended Feb. 2, ahead of analysts' expectations.

Analysts surveyed by

First Call/Thomson Financial

TheStreet Recommends

expected a same-store sales increase of 4.7%. Comparable sales at the company's Wal-Mart stores rose 5%, while same-store sales at the Sam's Club chain rose 9.9%.

The retailer, which is based in Bentonville, Ark., also posted net sales of $16.7 billion for January, up 13.3% from $14.7 billion in the same period one year ago.

Shares of Wal-Mart lost $1.52, or 2.8%, to $53.14 in recent

New York Stock Exchange

trading.