Stocks are seeing some further downside going into the last hour of Wednesday's trading session, pulling back more firmly into negative territory.

Real estate and railroad stocks are leading the decline, with the Morgan Stanley REIT Index down 5.2 percent and the Dow Jones Railroads Index down 5.1 percent.

Meanwhile, gold and health insurance stocks are continuing to show strength. The Amex Gold bugs Index is up 2.2 percent and the Morgan Stanley Healthcare Payor Index is up just under 1 percent.

Currently, the Dow is down 99.32 at 7,560.65, the Nasdaq is down 27.27 at 1,489.25 and the S&P 500 is down 14.77 at 791.48.

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