Viacom lowers earnings guidance for the first time since 2008

The media company also said that it expects domestic ad sales to decline about 4 percent in the third quarter ending June 30, an improvement from last quarter's decline of 5 percent. The New York-based media company, which owns Paramount, Comedy Central and Nickelodeon, cited weak performance from its latest Teenage Mutant Ninja Turtle movie and a delay in completing an agreement with an unnamed streaming video provider. Viacom Chief Executive Philippe Dauman and controlling shareholder 93-year-