Wall St ends down

Dow Jones Industrial Average fell 121.41 points, or 0.94 percent, to close at 12,811.32, another triple-digit decline.
S&P 500 fell 17.02 points, or 1.22 percent, to end at 1,377.51.
Nasdaq dropped 41.71 points, or 1.42 percent, to finish at 2,895.58.
All key S&P sectors finished in the red, led by energy and consumer discretionary.