Cyclical sectors led stocks lower on Thursday, setting the S&P 500 up for its first negative week in six, after factory data showed a slowdown in both the euro zone and China.

Based on the latest available data, the Dow Jones industrial average <.DJI> was down 78.48 points, or 0.60 percent, to finish unofficially at 13,046.14. The Standard & Poor's 500 Index <.SPX> was down 10.10 points, or 0.72 percent, to close unofficially at 1,392.79. The Nasdaq Composite Index <.IXIC> was down 12.00 points, or 0.39 percent, to end unofficially at 3,063.32.

(Reporting by Caroline Valetkevitch; Editing by Jan Paschal)