For Walmart, This Is a $3 Billion Business. Could Costco Pursue the Same Strategy?

If I pointed out that Walmart (NYSE: WMT) was a $650 billion retail business, no one would bat an eye — we all know it’s huge. But if I said that Walmart was a $100 billion e-commerce platform, that might turn some heads. Well, turn those heads then, because it’s true: Walmart i