Stock indexes closed with slight losses over worries of a slowdown in China and the likelihood of a possible hitch in the Greek debt deal.
The Dow Jones industrial average fell 14.76 points, or 0.1 percent, to close at 12,962.81.
The Standard & Poor's 500 index fell 5.30 points, or 0.4 percent, to close at 1,364.33.
The Nasdaq composite average fell 25.71 points, or 0.9 percent, to 2,950.48.
For the year so far:
The Dow is up 745.25, or 6.1 percent.
The S&P 500 is up 106.73, or 8.5 percent.
The Nasdaq is up 345.33, or 13.3 percent.