Wal-Mart

(WMT) - Get Report

said same-store sales missed estimates, but the discount retail chain said third-quarter earnings would come in at the high end of its previous range.

The world's largest retail chain reported same-store sales rose 2.8% from last year, missing Wall Street's consensus estimate of 3%, according to Thomson First Call. Net sales at the world's largest retail chain rose 10.4% to $21.04 billion.

Wal-Mart predicted November same-store sales to be between 2% and 4%, and it said a change in its tax rate would put third-quarter earnings at the high end of its estimated range of between 52 cents and 54 cents a share.

The Bentonville, Ark.-based company said sales for its third quarter were below original estimates, but said its gross margin beat forecasts.