Midday Movers: AAPL, KMX, MPC & More By: CNBC.com News October 08, 2012 at 12:42 PM EDT Take a look at some of Monday's midday movers: Read More >> Related Stocks: 3M Co American International Group Apple BP Plc ADR Barnes & Noble Brooks Automation Canon Inc ADR CarMax Clorox Co Jabil Circuit Marathon Petroleum Wal-Mart Stores, Inc. Walt Disney