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

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.

Separately, Roberts is reportedly working to rival Roku and Amazon in delivering streaming apps to televisions.

The Wall Street Journal reported that Peacock, while successful in terms of generating advertising revenue, is far behind other streaming leaders in terms of subscriptions.