Early movers: TWX, DVN, AOL, FB & More By: CNBC.com News August 07, 2013 at 07:59 AM EDT Check out which companies are making headlines before the bell on Wednesday: Read More >> Related Stocks: Bhp Billiton Ltd ADR Cisco Systems Devon Energy Facebook Marsh & McLennan MasterCard Morgan Stanley Time Warner Wal-Mart Stores, Inc.