Traders work on the floor of the New York Stock Exchange at the opening of the trading session in New York October 5, 2012.

NEW YORK | Tue Oct 9, 2012 9:39am EDT

NEW YORK (Reuters) - U.S. stocks edged lower after the open on Tuesday with investors having little reason to buy equities after the recent rally as they waited for the start later on Tuesday of the U.S. quarterly earnings season.

The Dow Jones industrial average .DJI was down 22.73 points, or 0.17 percent, at 13,560.92. The Standard & Poor's 500 Index .SPX was down 2.27 points, or 0.16 percent, at 1,453.61. The Nasdaq Composite Index .IXIC was down 9.84 points, or 0.32 percent, at 3,102.52.

(Reporting by Ryan Vlastelica; Editing by Kenneth Barry)

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