[European and U.S. stock market gains narrow, German DAX Index gains narrow to 1.6%, Dow futures gains narrow to 1.5%] European stock market gains narrowed, with the German DAX Index gains narrowing to 1.6% after previously rising over 4%; the Euro Stoxx 50 Index gains narrowed to 1.8% after previously rising 3.5%; and the French CAC 40 Index gains narrowed to 1.25% after previously rising nearly 3%. U.S. stock futures gains also narrowed, with Dow futures gains narrowing to 1.5% after previously rising nearly 3%; the S&P 500 Index gains narrowed to 1.4% after previously rising nearly 3%; and the Nasdaq 100 Index gains narrowed to 1.4%.