Wall Street rose on Thursday, sending major indexes up more than 1 percent, as an EU pledge to help debt-ridden Greece drew a sigh of relief from markets worried about a possible sovereign default.

The Dow Jones industrial average <.DJI> was up 115.93 points, or 1.15 percent, at 10,154.31. The Standard & Poor's 500 Index <.SPX> rose 10.78 points, or 1.01 percent, at 1,078.91. The Nasdaq Composite Index <.IXIC> jumped 29.80 points, or 1.39 percent, at 2,177.67.

(Reporting by Edward Krudy; editing by Jeffrey Benkoe)