Early movers: CTRX, ASPX, DD, ALTR, MSG & more By: CNBC.com News March 30, 2015 at 07:58 AM EDT These are the stocks posting the largest moves before the bell. Read More >> Related Stocks: Altera Corp Ampol Ltd Best Buy Cal-Maine Foods IN Chevron Corp DuPont USA GNC Holdings Inc Goldman Sachs Group Google, Inc. Horizon Therapeutics Intel Corp Microsoft Nike Inc Oracle Corp Teva Pharmaceutical Industries ADR UnitedHealth Group Xilinx Yahoo eBay