After-hours buzz: A Schulman, Viacom, Clovis & more By: CNBC.com News April 06, 2015 at 17:27 PM EDT Check out the companies making headlines after the bell Monday: A Schulman, Viacom, Clovis & more. Read More >> Related Stocks: Clovis Oncology Inc New Residential Investment Corp Ocwen Financial Corp Schulman A Inc Six Flags Entertainment Corp Via Renewables Inc Cl A Viacom