U.S. stocks briefly trimmed declines on Thursday after data showed factory orders rose more than expected in December.

* But the market remained pressured after the government said the number of initial claims for jobless benefits unexpectedly rose last week.

* The Dow Jones industrial average <.DJI> fell 134.15 points, or 1.31 percent, to 10,136.40. The Standard & Poor's 500 Index <.SPX> shed 17.70 points, or 1.61 percent, to 1,079.58. The Nasdaq Composite Index <.IXIC> lost 34.57 points, or 1.58 percent, to 2,156.34.

(Reporting by Leah Schnurr; editing by Jeffrey Benkoe)