An flight attendant claiming she suffered sexual comments from a drunk passenger and bullying by managers has failed in a personal grievance claim against Air NZ.

Auckland International Airport isn't profiteering and is a expecting reasonable return over the coming four years, according to the antitrust regulator.

Demand for internet data doubled in the year ending June 2012 and competition between telcos heated up.

Consumers know that "free" is not really interest free, says Damien Grant.

Health-conscious shoppers are being duped into buying products labelled "organic" without knowing what it means or if the product is what the label says it is, experts warn.

Fans of John Grisham will be familiar with get-rich-quick lawyers filing billion-dollar lawsuits against wealthy villains.

This week's move by a group of lawyers to take legal action against the NZ banks over default fees is not the first time banks have come under pressure.

When it comes to "unreasonable charges", there are those that feel unreasonable and there are those that technically break the rules.

The Commerce Commission has released a full report from its investigation into the sale and promotion of Credit Sails notes.

Taxi companies are imposing some of the country's highest credit card surcharges.

Government agencies are assessing the legality of a diet that promises people they will lose up to half a kilo a day by using a fertility hormone banned in the US.

Two "green" cleaning product manufacturers have been warned that their anti-chemical claims risk breaching the Fair Trading Act.

Kiwi travellers are being ripped off by three of the country's major airports due to inflated landing fees charged to airlines, a consumer watchdog says.

Airlines say travellers would enjoy cheaper air fares if Wellington International Airport lowered its landing fees.

The lowest price of broadband access is less important than ensuring consumers move as quickly as possible to high-speed fibre-based services, says Amy Adams.

Electricity retailer Mercury Energy has announced its first across the board price cuts in a decade.

New Zealand's ministers and officials have been given a new set of rules outlining how they can talk about listed companies.

Singapore Airlines has asked its captains to volunteer for unpaid leave amid a global economic slowdown that has dented long-haul travel demand, the airline says.

Singapore Airlines Cargo has been fined $4.1 million for its role in colluding to fix prices for air cargo in the latest settlement with the Commerce Commission.