In this this Market Foolery segment, host Chris Hill and Motley Fool Funds‘ Bill Barker discuss a raft of major quarterly reports: Ford, AT&T (NYSE: T), U.S. Steel (NYSE: X), Hershey, and Coca-Cola, all of which came through with excellent second quarters. And the key to those wins was less about the top-line revenues and more about bottom-line earnings, which have been driven by unusually strong margin growth and cost cutting.