Executives at the world’s largest retailer made the announcement at a gathering of 3,000 workers brought to Arkansas this week before the company’s annual shareholders’ meeting due to be held on Friday. Wal-Mart has long faced criticism over pay and hours for many of its employees. “My job is to make your life easier,” Greg Foran, head of the retailer’s U.S. operations, told the workers at the Bud Walton Arena in Fayetville, Arkansas.