CNBC anchors were duped live on air Monday when Howard Stern staged a fake exit from SiriusXM — a prank that briefly spread across newsrooms before being exposed as a stunt. “Squawk Box” hosts Andrew Ross Sorkin and Becky Quick relayed to viewers that Stern had walked away and was being replaced by Bravo boss Andy Cohen.

Howard Stern, the popular radio host who gave a massive boost to the nascent satellite radio business when he signed a blockbuster, multimillion dollar contract for SiriusXM almost two decades ago, h...

“One of the positive things” about all the “fake news,” according to Stern, was that he heard from other companies that were interested in picking up his show.