People walk past a branch of Japanese mobile operator Softbank in Tokyo. Softbank's $20 billion takeover of mobile carrier Sprint Nextel is the latest big-ticket buy in Japan Inc.'s overseas shopping ... more 

People walk past a branch of Japanese mobile operator Softbank in Tokyo. Softbank's $20 billion takeover of mobile carrier Sprint Nextel is the latest big-ticket buy in Japan Inc.'s overseas shopping bonanza, a boom driven by a strong yen and a flaccid market at home less