"There's no doubt that Japan's economy is already in a recession," said Kiichi Murashima, chief economist at Citigroup Inc. in Tokyo. "Political pressure for further monetary easing is building, and we expect the BOJ to take additional measures in January."
The Nikkei 225 Stock Average soared 1.42 per cent, or 131.35 points, to 9,353.87. The broader Topix Index advanced 1.12 per cent, or 8.6 points, to 775.61.