The world’s largest retailer says sales and profits were up in the third quarter in an earning report released this morning.  They also raised their outlook for the year as shares rose nearly 4% in pre-market trading. Sales of $169.59 billion topped analyst estimates. Walmart CFO John David Rainey said “We had a really strong quarter”, noting that e-commerce now makes up 18% of their business overall. They have also reported foot-traffic growth was up 3.1%. Sam’s Club was also strong, with a sales growth of 7%.