The milestone for the Nasdaq, which is heavy with technology stocks, came a day after the Dow Jones industrial average closed above 13,000 for the first time since May 2008.
The Dow Jones industrial average lost 53.05, or 0.4 percent, to close at 12,952.07.
The Standard & Poor's 500 index dropped 6.5 points, or 0.5 percent, to close at 1,365.68.
The Nasdaq composite average fell 19.87 points, or 0.7 percent, to 2,966.89.
For the week so far:
The Dow is down 30.88 points, or 0.2 percent.
The S&P 500 is down 0.06 point.
The Nasdaq is up 3.14, or 0.1 percent.
For the month:
Dow is up 319.16 points, or 2.5 percent.
The S&P is up 53.27 points, or 4.1 percent.
The Nasdaq is up 153.05 points, or 5.4 percent.
For the year so far:
The Dow is up 734.51, or 6 percent.
The S&P 500 is up 108.08, or 8.6 percent.
The Nasdaq is up 361.74, or 13.9 percent.
