Technology company troubles and renewed concerns about Europe's debt dragged stocks lower on Monday. European finance ministers approved $110 billion in rescue loans to Portugal, but have yet to decide on a second rescue package for Greece.
Technology companies sustained the largest losses in Monday trading. Yahoo! Inc. and Amazon.com Inc. fell by more than 4 percent.
The Dow Jones industrial average lost 47.38 points, or 0.4 percent, to close at 12,548.37.
The Standard & Poor's 500 index fell 8.30 points, or 0.6 percent, to 1,329.47.
The Nasdaq fell 46.16, or 1.6 percent, to 2,782.31.
For the year to date:
The Dow is up 970.86, or 8.4 percent.
The S&P is up 71.83, or 5.7 percent.
The Nasdaq is up 129.44, or 4.9 percent.