The world's largest retailer said on Friday that it expected fourth-quarter earnings at or slightly below the low end of its previous forecast of $1.60 to $1.70 a share. For the full year, it expects earnings to be at or slightly below the low end of its prior forecast of $5.11 to $5.21 a share.

(Reporting by Dhanya Skariachan; Editing by Lisa Von Ahn)