The U.S. stocks were under pressure on Monday, August 13, after five-week rally, as Japan's fundamentals worsened, with GDP adding only 0.3 per cent in the second quarter. The Dow Jones Industrial Average erased 0.5%, to 13,147; the Standard & Poor 500 Index dropped 0.4% to 1,399.63, and the Nasdaq Composite tumbled 0.5%, to 3,007.6.