"Expectations are high ahead of the next GDT dairy auction overnight, with another strong gain in prices - possibly as high as 10 per cent for whole milk powder - widely anticipated."
Wong said the kiwi may reach resistance at 73 US cents, a level it has failed to sustainably breach in recent months.
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Traders are also looking ahead to the household labour force survey for the second quarter, due tomorrow, which is expected to show the unemployment rate rose to 6.3 per cent from 6.2 per cent, not enough to change expectations for the timing of further central bank rate cuts.
Also due out this week, the Federal Open Market Committee minutes will provide details of the Fed's position after it kept interest rates unchanged as expected while pointing to moderate strength in the US labour market and saying near-term risks to the economic outlook had diminished.
USD remains out of favour and the commodity currencies have seen modest gains.
The kiwi rose to 93.92 Australian cents from 93.79 cents and gained to 4.7826 yuan from 4.7699 yuan. It rose to 55.94 British pence from 55.53 pence, gained to 64.44 euro cents from 64.31 cents, and advanced to 72.96 yen from 72.68 yen.