The company expects acquisition of web retailer to jump-start Walmart.com.

Hundreds of potential and current suppliers to attend the retailer’s “Made in the USA” open call event.

The retailer is working with delivery services to test the fulfillment of orders.

Frank Yiannas, vice president of food safety at Walmart, shows how in his new book.

Retailer's net income falls 8 percent in first quarter.

The company plans to expand to other stores.

The retail giant joins the cage-free egg movement with a commitment to transition.

US comparable sales were up 1.8% in the fourth quarter.

Online orders picked up at night, but deflation in meat and poultry hurt grocery sales.

Most of the financial impact will come from US store closures, the company said.