Stocks are little changed in early trading on Wall Street. The Standard & Poor's 500 index is just below a record high. The Dow Jones industrial average was down a point at 14,524 shortly after the opening bell Thursday. The S&P fell a point to 1,561. The index is three points below the all-time high it reached in October 2007. The Nasdaq composite was off less than a point at 3,255. The government revised its estimate for fourth-quarter U.S. economic growth up to 0.4% from 0.1%. Thursday is the last day of trading for the second quarter of 2013. Markets will be closed for Good Friday.