Japanese companies step up buy-outs of foreign companies. In 2011, Japanese companies significantly stepped up their rate of acquisitions of foreign companies. This is a consequence of the historic increase in the value of the yen since 2008. Japanese companies have recently taken over part or all of the capital of 455 companies based outside the Japanese archipelago. This trend has not been witnessed at such a rate since 1990, according to the statistics of the Recof Data consultants...