b'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\\u2019s latest reporting on how Comcast plans to separate itself from the streaming flock.\\xa0And another company joining the 4 comma club, the top 5 U.S. tech companies now valued at a whopping $5.2 trillion.'