Stocks tumbled on Wednesday, with the benchmark S&P 500 sliding 2 percent and on pace for a sixth day of declines on anxiety over the euro zone crisis and weak Chinese data.

The Dow Jones industrial average <.DJI> dropped 209.79 points, or 1.83 percent, to 11,283.93. The Standard & Poor's 500 Index <.SPX> fell 24.02 points, or 2.02 percent, to 1,164.02. The Nasdaq Composite Index <.IXIC> tumbling 52.99 points, or 2.10 percent, to 2,468.29.

(Editing by Jeffrey Benkoe)