Stocks extended losses on Thursday, with the Nasdaq falling 1 percent after jobless claims data failed to meet heightened market expectations.

The Dow Jones industrial average <.DJI> was down 79.99 points, or 0.61 percent, at 13,046.22. The Standard & Poor's 500 Index <.SPX> was down 12.61 points, or 0.90 percent, at 1,392.93. The Nasdaq Composite Index <.IXIC> was down 31.08 points, or 1.00 percent, at 3,073.88.

(Reporting By Ryan Vlastelica; editing by Jeffrey Benkoe)