NEW YORK, Oct 18 (Reuters) - U.S. stocks were little changed on Thursday, as optimism about technology profits helped cancel out worries about how much the credit crunch has hurt the economy, after disappointing earnings from Bank of America.

Technology stocks once again outperformed the broader market, pushing the Nasdaq higher, as investors bet Google Inc. and Advanced Micro Devices would post strong earnings after the bell, following healthy results from rivals.

According to the latest available data, the Dow Jones industrial average <.DJI> was down 4.72 points, or 0.03 percent, to end unofficially at 13,887.82. The Standard & Poor's 500 Index <.SPX> was down 1.32 points, or 0.09 percent, at 1,539.92. The Nasdaq Composite Index <.IXIC> was up 6.64 points, or 0.24 percent, at 2,799.31.

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