It turns out e-commerce is a profit-sapping endeavor. However much Amazon.com is pulling away from most of its brick-in-mortar rivals in the e-commerce wars, department stores have been able to grab a sizable piece of the e-commerce pie. According to an analysis by Credit Suisse published on Friday, some 14% of revenue at the major department stores that anchor U.S. malls came from e-commerce last year, double the rate from four years earlier. Not bad for companies that are viewed by many as dinosaurs in the digital age. Read more at Fortune.