U.S. stock futures were little changed on Monday night after the major averages suffered declines amid growing concerns that conflict in the Middle East could escalate once more. S&P 500 futures and Nasdaq 100 futures were trading around the flatline, as were futures tied to the Dow Jones Industrial Average . Stocks fell across the board on Monday, with the blue-chip Dow falling 557.37 points, or 1.13%. The S&P 500 lost 0.41%, while the tech-heavy Nasdaq Composite slipped 0.19%. The losses came