The NZ dollar gained on expectations prices will rise in tonight's GlobalDairyTrade auction, adding to the positive story of the domestic economy.

The NZ dollar has risen to the highest level this month suggesting little risk premium has been added for the resignation of John Key.

The New Zealand dollar fell against the greenback after PM John Key said he will step down.

The kiwi dollar has dropped on the news that Prime Minister John Key is resigning.

The kiwi dollar traded at 71.18 US cents as at 8am in Wellington, from 71.40 cents in New York on Friday.

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The New Zealand dollar rose to a two-week high as the US dollar index extended its slide.

The New Zealand dollar was little changed, having earlier risen above 71 US cents as crude oil led gains.

The kiwi dollar traded at 70.35 US cents from 70.37 cents in New York on Friday.

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Last week the kiwi was under pressure against the US dollar, but this morning it is all about the earthquake.

The New Zealand dollar tumbled against the yen as speculation grew that Donald Trump could win the White House.

A potentially drastic fall in China's reserves risks reviving last year's currency panic and further rattling world stock markets.

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The New Zealand dollar fell against its trans-Tasman counterpart as iron ore prices bolstered demand for the Aussie.

The kiwi fell to 71.31 US cents as at 8am in Wellington from 71.57 cents in late Asian trading yesterday.

The US dollar was broadly stronger after the European Central Bank said it was in no hurry to end quantitative easing measures.

The kiwi rose to 72.28 US cents as at 8am in Wellington, having earlier touched a 2-week high of 72.48 cents, from 72.12 cents late yesterday.

The Bank of England cut interest rates and delivered a bigger stimulus package than the market expected.

Investors prepare for the Bank of Japan's policy review today which is expected to inject even more stimulus into the world's third-biggest economy.

The New Zealand dollar dipped as investors prepare for the Federal Reserve's policy review this week.

Export log prices slip to a seven-month low amid a stronger Kiwi dollar and weaker markets.

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The New Zealand dollar climbed to a 14-month high on a trade-weighted basis.

The New Zealand dollar followed global stock markets and commodity prices lower as the Bank of England highlighted the European Union

The New Zealand dollar was little changed near a 12-month high and may rally further if Britons vote to remain in the European Union.