Midday movers: Caterpillar, RadioShack, Tiffany & more By: CNBC.com News September 10, 2014 at 13:31 PM EDT Take a look at some of Wednesday's midday movers: Read More >> Related Stocks: Activision Blizzard Caterpillar Chevron Corp ConocoPhillips Credit Suisse Group Credit Suisse Group ADR Exxon Mobil General Motors Hess Corp Manchester United Ltd Marathon Petroleum Phillips 66 Tesoro Petroleum Co Tiffany & Co Valero Energy