U.S. stocks fell Friday after three days of gains, dragged down by concerns about Europe. Spain's stock market plunged nearly 6 percent after a regional government there asked for a financial lifeline.

The Dow Jones industrial average fell 120.79 points, or 0.9 percent, to 12,822.57.

The Standard & Poor's 500 fell 13.85 points, or 1 percent, to 1,362.66.

The Nasdaq composite index fell 40.60 points, or 1.4 percent, 2,925.30.

For the week:

The Dow is up 45.48, or 0.4 percent.

The S&P 500 is up 5.88, or 0.4 percent.

The Nasdaq is up 16.83, or 0.6 percent.

For the year:

The Dow is up 605.01, or 5 percent.

The S&P 500 is up 105.06, or 8.4 percent.

The Nasdaq is up 320.15, or 12.3 percent.