This year’s Fortune 500 list is out, and while Walmart’s $421 billion in revenue may have beaten out Exxon Mobil’s paltry $354 billion, the oil giant beat out Big W where it matters most, profits. According to Fortune, the crude colossus made a whopping $30.4 billion in profits last year, nearly double what Walmart made and over $10.5 billion more than the next most profitable company on the list. [More]