Wall Street opened lower on Friday, dragged by concerns about the impact of heavy euro-zone debt loads on the global recovery.

The Dow Jones industrial average <.DJI> dropped 69.76 points, or 0.65 percent, to 10,713.19. The Standard & Poor's 500 Index <.SPX> lost 7.78 points, or 0.67 percent, to 1,149.66. The Nasdaq Composite Index <.IXIC> fell 21.73 points, or 0.91 percent, to 2,372.63.

(Reporting by Chuck Mikolajczak; editing by Jeffrey Benkoe)