BTIG Upgrades Viacom As Redstone Initiates Regime Change By: Benzinga via Benzinga June 16, 2016 at 16:16 PM EDT Earlier Thursday, Sumner Redstone's National Amusements ousted five directors -- including CEO Philippe Dauman -- from Viacom, ... Read More >> Related Stocks: CBS Corp Via Renewables Inc Cl A Viacom