Midday movers: Microsoft, MasterCard, Chevron & More By: CNBC.com News January 31, 2014 at 12:43 PM EST Take a look at some of Friday's midday movers: Read More >> Related Stocks: AbbVie American Express Chevron Corp Enanta Pharmaceutica Generac Holdings Inc J C Penney Company Inc Lear Corp MasterCard Mead Johnson Nutrition Microsoft Raytheon Co Under Armour Visa Wal-Mart Stores, Inc.