Pre-open movers U.S. stock futures traded lower in early pre-market trade after the Dow Jones tumbled more than 500 points in the previous session. The Federal Reserve, last week, said it will be accelerating its monthly asset purchase tapering. Investors are awaiting earnings results from Carnival Corporation (NYSE: CCL), NIKE, Inc. (NYSE: NKE) and Micron Technology, Inc. (NASDAQ: MU). The index of leading economic indicators for November is scheduled for release at 10:00 a.m. ET.