Early movers: AET, TWC, MRO, MGM, SHW, MCK & more By: CNBC.com News October 29, 2015 at 07:56 AM EDT These are the stocks posting the largest moves before the bell. Read More >> Related Stocks: Aetna Allergan Plc Amgen Gopro Inc Cl A Hanesbrands Inc MGM Resorts International Marathon Oil Marriott International McKesson Corp New York Community Bancorp Paypal Holdings Pfizer Sanofi-Aventis S.A. ADR Sherwin-Williams Sony Corp Time Warner Cable Yelp Inc