US stocks seen down with Syria back in focus By: CNBC.com News September 12, 2013 at 06:28 AM EDT U.S. stock index futures signaled a flat-to-lower open on Thursday after a week-long rally. Read More >> Related Stocks: Kroger Co Lululemon Athletica Microsoft Pandora Media Inc Qualcomm, Inc. Royal Caribbean Cruises Ltd Verizon Communications