Australia's largest gold miner is facing a class action from shareholders over its massive financial writedown.

The NZ dollar has maintained its place as the 10th most traded currency. Why is it so heavily traded and what implications does this have for the year ahead, asks Brian Gaynor.

The New Zealand dollar held near a five-year high against its trans-Tasman counterpart today .

Auckland-based software firm Triplejump, which is planning to make its stock exchange debut next year, has secured close to $1m in research and development funding.

Craft brewer Moa has gone into business with Australian cricket legend Shane Warne.

Chorus shares have continued to tumble to a new low this morning - on the back of 35.5c fall last week.

It has been a great year for sharemarket investors, with the NZX50 Gross Index up 19.4 per cent since the end of 2012.

The hard-up Super City stands to receive a windfall of about $100m from a planned $454m capital return by Auckland International Airport.

What's your money up to? Are your KiwiSaver and other investments funding industries that damage the environment, use child labour, encourage gambling or produce tobacco?

The New Zealand dollar dropped to a week-low as speculation European interest rates may go negative.

Forest & Bird (F&B) has pulled the plug after a two-year legal battle to stop Bathurst Resources' new Buller coal mine.

A Facebook billionaire, an investment company tied to a charitable trust working with Australian Aboriginal communities, and TradeMe founder Sam Morgan are among the largest holders of Xero shares which have soared more than 500 per cent in the past year.

If Twitter's bankers and executives were hoping for a surge on the day of the stock's public debut, they got it.