Wall Street ended modestly higher on Wednesday on stronger-than-expected U.S. labor and service sector data, but the Dow industrials were hobbled by a slide in Hewlett-Packard <HPQ.N>.

Based on the latest available data, the Dow Jones industrial average <.DJI> was up 12.48 points, or 0.09 percent, at 13,494.84. The Standard & Poor's 500 Index <.SPX> was up 5.22 points, or 0.36 percent, at 1,450.97. The Nasdaq Composite Index <.IXIC> was up 15.19 points, or 0.49 percent, at 3,135.23.

(Reporting by Caroline Valetkevitch)