Midday movers: General Motors, Caterpillar & More By: CNBC.com News May 20, 2014 at 13:01 PM EDT Take a look at some of Tuesday's midday movers: Read More >> Related Stocks: Astrazeneca Plc ADR Callaway Golf Company Carnival Corp Caterpillar Clovis Oncology Inc Dick's Sporting Goods Inc Dish Network Corp Edwards Lifesciences General Motors Home Depot J C Penney Company Inc Morgan Stanley Red Robin Gourmet Burgers Inc Staples TJX Companies Target Corp Urban Outfitters Valeant Pharmaceuticals International, Inc. Verizon Communications Vodafone Grp Plc ADR Wells Fargo