Wall St ends up

U.S. stocks rebounded to close near session highs in a volatile trading overnight, but gains were limited as investors are wary of euro debt crisis. 

The Dow Jones Industrial Average gained 85.15 points, or 0.71 per cent at 12,068.39.

The S&P 500 gained 7.89 points, or 0.63 per cent, to close at 1261.12. All 10 S&P sectors finished in the black, led by health care.

The Nasdaq added 9.10 points, or 0.34 per cent at 2,695.25.