The Dow Jones industrial average rose more than 1 percent on Wednesday, with energy shares among top advancers, while the S&P 500 and Nasdaq indexes added to gains of more than 1 percent.

The Dow <.DJI> was up 135.40 points, or 1.39 percent, at 9,879.02. The Standard & Poor's 500 Index <.SPX> was up 15.10 points, or 1.47 percent, at 1,043.16. The Nasdaq Composite Index <.IXIC> was up 28.86 points, or 1.38 percent, at 2,122.74.