Digital legal tender could combine the inventiveness of private virtual currencies with the stability of a government mint.

The New Zealand dollar hit a three-week high against the yen after the Bank of Japan introduced a negative interest rate policy, weakening its currency.

Australasian infant formula stocks have proved a pretty good bet lately.

Veritas Investments shares plunged 42 per cent after the food and beverage investor downgraded its outlook for earnings and nixed a first-half dividend.

The New Zealand dollar is heading for a 1 per cent gain against the greenback this week as commodity currencies came back into favour on the prospect of further stimulus in Europe and a rebound in oil prices.

The last gold dredge operating on the West Coast is up for sale.

New Zealand shares fell following oil-driven weakness in US and European markets, with Nuplex Industries and Sky Network Television while Air New Zealand rose.

If you need to sell shares or are about to retire and need to calculate your superannuation payout, then even a few weeks fall in prices may start to look like a serious bear, writes Michael Rafferty.

BHP Billiton will write down the value of its US shale assets by NZ$11.19 billion amid collapsing oil and gas prices.

A Bank of America survey reveals the iPhone remains China's most popular phone brand.

A new year, and it appears Just Water International boss Tony Falkenstein isn't looking to back down from being a thorn in the side of sharemarket operator NZX.

While stock plunges in countries like the US can pose major economic challenges because of the impact on household wealth, that's less been the case in China.

New Zealand shares fell for a fourth day as fears over China's economy cloud global markets.

Oil prices have hit a new 11-year low, adding weight to calls for more cuts in the Reserve Bank's official cash rate.

Oil prices rose on the last day of the year but fell as much as 35 per cent for 2015 after a race to pump by Middle East crude producers.

Figuring out a price tag for some of the world's biggest and rarest diamonds can be as difficult as finding them.

New Zealand shares rose to a record as A2 Milk Co continued its strong rally, with Westpac Banking Corp, Meridian Energy and Sky Network Television all advancing on light trading.

Maui natural gas pipeline has been sold to First State Investments.

The petrol pump war has moved up a gear with Z petrol stations entering the fray and slashing prices.

Kiwis planning to fill up their petrol tanks for summer road trips can save up to 20 cents a litre off their fuel today.

Tony Falkenstein, chairman of Just Water responds to Tim Bennett's article: 'NZ's chance to grasp lost opportunity'.

What's in store for 2016? We'll probably see the first bitcoin company valued at more than $1 billion.

Fund managers say the poor performance of many recent sharemarket floats has impacted investor appetite for new listings.

Just Water International and Coats have revived the controversy regarding the delisting of NZX companies, which was covered in the October 24 column.