The Yen grew the most in the last four months following the outburst in the relations between Russia and the Western nations over Ukraine, which stifled the attractiveness of riskier assets. The Yen jumped 0.5% to 102.10 per Dollar after appreciating as much as 0.8%, the highest level since April 8th. The Yen also gained 0.4% to 136.64 per Euro.