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Reuters

Asian shares tread water ahead of Australia rate decision

Asian markets edged lower on Tuesday and the Australian dollar steadied as investors stayed on the sidelines ahead of a Reserve Bank of Australia policy decision that might result in an interest rate cut. This time derivative markets see a 70 percent chance of a quarter-point cut, while interbank futures 0#YIB: give a 58 percent chance, with expectations heightened by the central bank's unease with the Australian…