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The Japanese Yen had strong gains today (8/3), moving up to its highest levels since November 2009. A sliding US Dollar and the release of economic reports that suggest the US economy may require additional stimulus measures seems to have further spurred the Yen's ascent. The Yen appears to have taken the safe-haven trade away from the Dollar over the past few weeks.
Today's move higher has signaled to me a buy signal for the Yen on the daily charts.