Stocks rose 1 percent on Wednesday after European leaders displayed new urgency in efforts to contain the euro zone debt crisis.

The Dow Jones industrial average <.DJI> was up 140.73 points, or 1.27 percent, at 11,246.58, according to the latest available figures. The Standard & Poor's 500 Index <.SPX> was up 15.81 points, or 1.35 percent, at 1,188.68. The Nasdaq Composite Index <.IXIC> was up 40.40 points, or 1.60 percent, at 2,572.55.

(Reporting by Ryan Vlastelica; Editing by Kenneth Barry)