After-hours buzz: TI, IBM, Best Buy & more By: CNBC.com News September 10, 2013 at 16:34 PM EDT Check out which companies are making headlines after the bell Tuesday: Read More >> Related Stocks: AMC Networks Cl A Apple Best Buy CBS Corp Discovery Comm B Discovery Communications International Business Machines News Corporation Oxford Industries Scripps Networks Interactive Synnex Corp Texas Instruments Time Warner Twenty-First Century Fox Via Renewables Inc Cl A Viacom Walt Disney