(corrects name of hedge fund in para 3 to Symphony Financial Partners)

Any doubt about the importance of a weaker yen in thawing the frozen Japanese economy will have been dispelled by the Nikkei's surge to 32-month highs this week. Since early December, when it became clear an incoming Shinzo Abe administration would do its best to weaken the yen, the equity index has surged as the yen has fallen.