FILE – In this Sept. 25, 2008 file photo, a Wall St. street sign is shown in front of the American flag hanging on the New York Stock Exchange in New York. Stocks fell sharply Tuesday, Sept. 1, 2009, giving up earlier gains after the Institute for Supply Management said its index of manufacturing activity rose to 52.9 in August, up from 48.9 in July and well above the reading of 50.5 analysts had been expecting. (AP Photo/Mary Altaffer, file)