U.S. stocks rose on Tuesday after Standard & Poor's affirmed its ratings on Greece and ended its review for a possible downgrade of the country's debt.

* Worries over the high debt load Greece and some other euro zone nations have plagued equity markets of late.

* The Dow Jones industrial average <.DJI> gained 32.65 points, or 0.31 percent, to 10,674.80. The Standard & Poor's 500 Index <.SPX> rose 5.97 points, or 0.52 percent, to 1,156.48. The Nasdaq Composite Index <.IXIC> climbed 10.79 points, or 0.46 percent, to 2,373.00.

(Reporting by Leah Schnurr)