Carl Quintanilla, David Faber & Mike Santolli discuss the ongoing stock rally as Wall Street looks to close out a record-setting week. Plus shares of Comcast hitting an all-time high as NBCUniversal unveils new details about its Peacock streaming service, David’s latest reporting on how Comcast plans to separate itself from the streaming flock. And another company joining the 4 comma club, the top 5 U.S. tech companies now valued at a whopping $5.2 trillion.