The group, which includes department stores and major chains such as Wal-Mart de Mexico and Soriana , posted a combined same-store sales increase of 0.6 percent through October, compared with a target of 1.7 percent for the year, group President Vicente Yanez said.

"We're not going to meet the target that we established at the beginning of the year...we're far from that," Yanez said during an interview on Radio Formula.