Third-quarter sales for Wal-Mart Stores rose 2.9%.

Retailer also will rebrand Wal-Mart Express as Neighborhood Market.

The retailer has developed a four-pillar strategy to improve affordability, access, health, and the transparency of the supply chain.

Company has added about 260 food stores north of the border.

Price First includes pantry staples at significantly lower prices than branded products.

Greg Foran promoted to president and c.e.o. of Wal-Mart U.S.; Bill Simon to depart.

The retailer is using food as a way to drive traffic into its stores.

Wal-Mart joins forces with global companies in wide ranging commitments.

Companies say items will be at least 25% less expensive than national organic brands.

The concept will create a digital retail concept and give all of the company's store formats 'full connectivity.'