NEW YORK (Reuters) - U.S. stocks slipped at the open on Tuesday, following the year's lowest-volume session, as traders sought new catalysts to extend or sell the rally that took the S&P 500 to a record high last week.
The Dow Jones industrial average fell 61.59 points or 0.39 percent, to 15,550.54, the S&P 500 lost 3.67 points or 0.21 percent, to 1,703.47 and the Nasdaq Composite dropped 5.125 points or 0.14 percent, to 3,687.826.
(Reporting by Ryan Vlastelica; Editing by Nick Zieminski)