Dow Jones dips, S&P 500 and Nasdaq Composite close at record highs

NEW YORK, New York - U.S. stocks were mixed Wednesday as traders wound down ahead of the July 4 holiday. Markets closed early after noon in the U.S. with key bourses, the Nasdaq Composite and Standard and Poor's 500 gaining ground to new all-time closing highs, while the Dow Jones industrials slipped.

Here's a rundown of Wednesday's closing quotes:

• S&P 500: The Standard and Poor's 500