U.S. stocks logged their best one-day gain in more than a month on Wednesday after a bullish forecast from financial company State Street Corp fueled optimism about the coming earnings season.

Based on the latest available figures, the Dow Jones industrial average <.DJI> gained 274.66 points, or 2.82 percent, to 10,018.28. The Standard & Poor's 500 Index <.SPX> jumped 32.21 points, or 3.13 percent, to 1,060.27. The Nasdaq Composite Index <.IXIC> climbed 65.59 points, or 3.13 percent, to 2,159.47.

(Reporting by Leah Schnurr; Editing by Kenneth Barry).