ANALYSIS: Why the yen jump?
After the devastation wrought by what is now officially known as the 'Great Tohoku Kanto Earthquake', Japan's currency rose in value. It was the last thing the under-pressure economy needed, and seems a little counter-intuitive given the hit the Japanese economy will be taking. Share prices on the Tokyo Stock Exchange duly tumbled. So what's going on with the currency, asks Dave Leggett.