Stocks fell on Thursday after data showed new applications for jobless benefits rose unexpectedly last week, adding to worries over sovereign debt in some euro zone countries.

* The Dow Jones industrial average <.DJI> fell 83.21 points, or 0.81 percent, to 10,187.34. The Standard & Poor's 500 Index <.SPX> lost 10.34 points, or 0.94 percent, to 1,086.94. The Nasdaq Composite Index <.IXIC> shed 17.33 points, or 0.79 percent, to 2,173.58.

(Reporting by Leah Schnurr; editing by Jeffrey Benkoe)

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