UPDATE 3-CBS board plans merger talks with Viacom -CNBC By: Reuters: Company News May 30, 2019 at 17:20 PM EDT Shares of Viacom Inc rose on Thursday on a report that CBS Corp's board is preparing for merger talks with the media company. Read More >> Related Stocks: AT&T Inc Amazon.com Apple CBS Corp Lions Gate Entertainment Corp Cl A Netflix Viacom Walt Disney