Disappointing economic data drove stocks lower today but couldn't dent strong gains for the third quarter. ADP reported bigger job losses than expected in September, and the Chicago Institute for Supply Management's business index dropped more than expected. The Dow fell 30 points to close at 9,718. The Nasdaq lost 2 points, settling at 2,122, while the S&P 500 dropped 4 points to close at 1,057, the Wall Street Journal reports.