Japan's Prime Minister Shinzo Abe

Japan's Prime Minister Shinzo Abe

Kiyoshi Ota/Bloomberg

Shinzo Abe, Japan's prime minister, left, reacts after striking a bell during a ceremony at the Tokyo Stock Exchange marking the last trading day of the year in Tokyo on Dec. 30, 2013. Nikkei 225 Stock Average surged 57 percent last year, its biggest annual advance since 1972, after Prime Minister Shinzo Abe spurred the unleashing of monetary and fiscal stimulus.