 Salesforce signage outside office building in New York. Scott Mlyn CNBC Check out the companies making the biggest premarket moves: Related Content RagnBone Man performs with Barry from EastEnders at Kent venue Brad Mehldau Trades Bach for the Beatles Advanced Micro Devices The semiconductor maker rallied nearly 3 after being upgraded by Barclays ... Stocks making the biggest moves premarket: Wayfair, Salesforce,... 