Stocks rose slightly at the open on Tuesday led by gains in technology shares and ahead of U.S. existing home sales data.

The Dow Jones industrial average <.DJI> edged up 10.43 points, or 0.10 percent, to 10,452.84. The Standard & Poor's 500 Index <.SPX> rose 1.23 points, or 0.11 percent, to 1,114.43. The Nasdaq Composite Index <.IXIC> gained 8.97 points, or 0.39 percent, to 2,298.06.