Japan’s highest mountain, Mt. Fuji is seen in the background between skyscrapers in Tokyo’s Shinjuku area during the sunset on January 7, 2011. Japanese shares soared during the first trading week of 2011, and investors are hungry for further gains in the weeks to come amid ballooning optimism for US economic recovery, analysts said. AFP PHOTO / KAZUHIRO NOGI (Photo credit should read KAZUHIRO NOGI/AFP/Getty Images)