Stocks turned negative on Tuesday after data showed consumer confidence fell in June after a sharp rise in May.
Consumer spending amounts to roughly two-thirds of the U.S. economy.
The Dow Jones industrial average <.DJI> dropped 22.60 points, or 0.26 percent, to 8,506.78. The Standard & Poor's 500 Index <.SPX> fell 3.64 points, or 0.39 percent, to 923.59. The Nasdaq Composite Index <.IXIC> lost 4.18 points, or 0.23 percent, to 1,839.88.
(Reporting by Rodrigo Campos; editing by Jeffrey Benkoe)