Wal-Mart says it will test a free shipping program, the latest sign that the world's largest retailer is stepping up its lagging e-commerce efforts to better compete for online shoppers. The program, ...

(Bloomberg) – Betsy Marler enjoyed her job as a sales associate at a Walmart in Mobile, Ala. She was hired in August 2009 and, three-and-a-half years later, promoted to pharmaceutical department ...