Tue, May 5, 2015, 1:11 AM EDT - U.S. Markets open in 8 hrs 19 mins

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…