Stocks extended gains on Tuesday, with Dow industrials rising 1 percent as a fall in crude prices shifted investor attention to a stronger U.S. economy.

The Dow Jones industrial average <.DJI> was up 117.39 points, or 0.97 percent, at 12,207.42. The Standard & Poor's 500 Index <.SPX> was up 11.98 points, or 0.91 percent, at 1,322.11. The Nasdaq Composite Index <.IXIC> was up 22.67 points, or 0.83 percent, at 2,768.30.

(Editing by Kenneth Barry)