On this Market Foolery podcast, host Chris Hill and Motley Fool Asset Management’s Bill Barker review the most interesting tidbits from the business world today: Delta (NYSE: DAL) beat on earnings for the third quarter, and performed well despite the impact of heavy weather, and chipmaker Micron (NASDAQ: MU) is preparing a secondary stock offering, which mildly irked its shareholders, while Wal-Mart (NYSE: WMT) is planning a major share buy