Early movers: COST, SHLD, PANW, GRUB, MDT & more By: CNBC.com News December 03, 2015 at 08:00 AM EST These are the stocks posting the largest moves before the bell. Read More >> Related Stocks: American Eagle Outfitters Bank of America Bank of New York Mellon Citigroup Costco Wholesale Dollar General GX Defense Tech ETF Grubhub Ord Shs Lands' End Inc Medtronic PVH Corp The Michaels Comp Yahoo