Early movers: TWX, GE, AAPL, TWTR, H, ENR & more By: CNBC.com News April 30, 2014 at 07:44 AM EDT These are the stocks posting the largest moves before the bell. Read More >> Related Stocks: Alstom S.A. Apple Costco Wholesale Exelon Corp Express Scripts Holding General Electric Hyatt Hotels Corp Marriott International Pepco Holdings Sanofi-Aventis S.A. ADR Southern Co Time Warner Twitter, Inc. Wells Fargo eBay