Wall Street lower after poor manufacturing data

The market was also weighed down by oil prices, which fell toward six-year lows as data showed Japan's economy, the world's third-biggest oil consumer, contracted in the second quarter. The New York Fed's Empire State general business conditions index tumbled from 3.86 in July to -14.92 in August due to steep drops in new orders and shipments. With the U.S. earnings season at the fag end and no major economic data due, investors will turn to Wednesday's minutes of the most recent Federal Reserve