Lessons can be learned from the failure of Japan's devaluation
UPDATED A decline in the yen crimps the value of Japanese sales.
"Fiscal cliff" talks are set to resume as President Obama cuts short his Hawaiian holiday; Japan's currency falls to lowest since 2010.
As a result, investors eschewed risk-sensitive currencies such as the kiwi and Australian dollars.
Investors are now nervous the Reserve Bank of Australia will cut interest rates next week.
Wall Street rallies after US House speaker says he is willing to put revenues up for negotiation.
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