Early Movers: LEAP, DELL, BA, GE, R & More By: CNBC.com News July 15, 2013 at 07:33 AM EDT These are the stocks posting the largest moves before the bell. Read More >> Related Stocks: AT&T Inc Alexion Pharmaceuticals Atlantic Power Corp BB&T Corp Best Buy Boeing Co Gap General Electric H&R Block Hormel Foods Icahn Enterprises JPMorgan Chase & Co MB Financial Inc McKesson Corp Piper Jaffray Companies Ryder System Schneider Electric Se Target Corp Tiffany & Co United Parcel Service Verizon Communications Xilinx Yahoo Yelp Inc