10 Biggest Mergers and Acquisitions of 2014 By: InvestorPlace December 22, 2014 at 04:15 AM EST Read More >> Related Stocks: AT&T Inc Actavis Plc Altria Group Baker Hughes Inc Comcast Corp DIRECTV Facebook Gsk Plc ADR Halliburton Co Johnson & Johnson Lorillard Novartis Ag ADR Reynolds American Schlumberger Ltd Time Warner Cable Twitter, Inc. Valeant Pharmaceuticals International, Inc. Verizon Communications Vodafone Grp Plc ADR Walt Disney