Financial professionals work on the floor of the New York Stock Exchange. (Chris Hondros/Getty Images)
* The Conference Board's August index of leading indicators rose 0.6 percent, marking a fifth straight monthly increase, but was shy of the 0.7 percent forecast by economists.
* The Dow Jones industrial average was down 86.76 points, or 0.88 percent, at 9,733.44. The Standard & Poor's 500 Index fell 9.88 points, or 0.92 percent, at 1,058.42. The Nasdaq Composite Index dropped 11.17 points, or 0.52 percent, at 2,121.69.
* The latest data provided selling impetus, but the market was already lower as a resurgent U.S. dollar took a toll on global commodity prices and investors paused to gauge if the outlook for corporate profits justified the market's recent run-up to 11-month highs.
