Wall street ended mixed on Tuesday as technology stocks rose led by Apple Computer Inc.

The Dow Jones industrial average was down 7.05 points, or 0.06 percent, at 12,416.44. The Standard & Poor's 500 Index was down 0.72 points, or 0.05 percent, at 1,412.12. The Nasdaq Composite Index was up 5.63 points, or 0.23 percent, at 2,443.83.

Apple unveiled its long-anticipated iPhone and boosted optimism about the tech sector.

Apple's stock, which rose 8.3 percent, or 7.10 U.S. dollars, to92.57 dollars, was the biggest positive influence on the Nasdaq and the S&P 500 index. Shares of AT&T, whose Cingular Wireless unit is Apple's U.S. cellular partner, also rose.

The continued drop in oil prices sent shares of transports and retailers higher but major oil and gasoline companies sliding. Exxon Mobil Corp. fell 56 cents to 72.09 dollars while BP PLC dropped 2.9 percent.