Investors played it safe overnight as Greek parties struggled to form a new government and Spain asked its banks to set aside more money to cover bad loans.

The Reserve Bank's view that the kiwi dollar is set to keep falling has reduced prospects of a cut in an official cash rate, economists say.

The New Zealand dollar fell to a four-month low overnight amid market concern about the election of new governments in France and Greece.

The increasing likelihood of Greece leaving the euro-zone has sent world sharemarkets down overnight.

These voter revolts could destroy what had been an article of faith among bond investors: that modern democracies never default on their debts.

The New Zealand dollar may fall from a 3 and-a-half month low this week.

Disappointing jobs numbers from both sides of the Atlantic weighed on equities overnight, a day after they reached a four-year high on Wall Street.

A slew of worrying news from Europe hammered equities in the euro zone and on Wall St overnight. The euro suffered too.

John Key says the Government is considering what can be done to resist a rising Kiwi dollar.