TOKYO - Tokyo stocks surged Wednesday, with the Nikkei stock index ending 5 percent higher on buying driven by eased concerns over the Middle East crisis after the United States and Iran agreed to a two-week cease-fire.

The 225-issue Nikkei Stock Average ended up 2,878.86 points, or 5.39 percent, from Tuesday at 56,308.42, marking its third-largest single-day point rise in history and the biggest this year. The broader Topix index finished 121.28 points, or 3.32 percent, higher at 3,775.30.