Stock market operator the NZX hopes to streamline its handling of insider trading and market manipulation complaints in a deal with crime analytics software provider Wynyard Group.

New Zealand household products company ecostore has launched a legal challenge to protect its intellectual property in the Chinese market.

Fonterra has extended sales of its infant formula brand to two more major Chinese cities as it pushes to secure a share of the world's fastest growing baby milk market.

West Auckland and parts of South Auckland are no longer an easy leg up on the real estate ladder as prices continue to rise throughout the region, a new report says.

The level of activity on the NZX grew for an 18th month in February, though the value of transactions was lower than the same month last year.

A Hobsonville Pt home owner says he has made a paper profit of about $200,000 in just two years.

A government-backed venture investment fund is looking to partner with angel investment groups and the public in crowd funding deals for local start-ups.

A house construction rebound here and in Australia, the earthquake rebuild and cost-cutting will boost operating earnings Fletcher Building's interim result.

Independent research house Morningstar has valued state-owned Genesis Energy at around $1.69 billion to $1.89 billion in total, or about $3.25 to $3.50 a share.

The structure of the Genesis Energy float is unusual but makes sense given the complexities of the company, says one investment banker.

NZX-listed alternative dairy company A2 Corporation is gearing up to expand its fresh milk business to the United States.

The sharemarket float of Genesis Energy - the details of which are due out today - is likely to proceed along standard lines.

New Zealand's five major banks continued to show strong earnings growth in the second half of their financial years, says international consultancy PwC.

Boart Longyear has posted a steep loss and says it will review its operations after having slashed almost 3500 jobs in the past year.

Analysts are divided over Telecom's Spark rebrand and foray into internet TV with some labelling it a "bold approach" and others a "minor distraction".