Yen Tumbles After Bank of Japan Monetary Easing; Euro Falls Before Summit

Japan’s currency fell to a six-month low versus the dollar in its biggest weekly loss against the dollar since November as better-than-expected economic data damped expectations of further monetary easing in the U.S. The euro fell versus the dollar after Moody’s downgraded the debt ratings of six European nations and said more may follow. Euro-area finance ministers meet Feb. 20 meeting to decide the fate of a Greek financial bailout.