After-hours buzz: VIAB, FEYE, CHK & more By: CNBC.com News January 20, 2016 at 18:05 PM EST Check out the companies making headlines after the bell Wednesday, including Viacom, FireEye and Chesapeake Energy. Read More >> Related Stocks: Chesapeake Energy Devon Energy F5 Networks Fireeye Inc Via Renewables Inc Cl A Viacom