Wall St ends down sharply amid EU concerns

U.S. stocks closed lower in thin, volatile session overnight amid EU debt crisis concerns
The Dow Jones Industrial Average fell 134.86 points, or 1.13 percent, to end at 11,770.73.

The S&P 500 dropped 20.76 points, or 1.68 percent, to finish at 1216.15.

All 10 S&P sectors finished firmly in the red, led by energy and materials.
 
The Nasdaq declined 51.62 points, or 1.96 percent, to close at 2,587.99.