ViacomCBS, Roku shares close up on report that Comcast is considering a deal

Comcast chief Brian Roberts is exploring new options for the company's push into streaming, raising the idea of a possible tie-up with ViacomCBS or acquisition of Roku, according to a Wednesday report from The Wall Street Journal.Roku stock closed up 4.5%, while ViacomCBS shares gained nearly 2.7%.Separately, Roberts is reportedly working to rival Roku and Amazon in delivering streaming apps to televisions.The TVs would reportedly run software developed by Comcast.The platform would also heavily promote NBCUniversal's streaming app, called Peacock, according to the report.