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.

Christchurch power company Orion has asked the Commerce Commission for permission to hike prices to recover earthquake rebuild costs.

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.

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.

Contest entrants deceived by the lure of rewards that don't exist as flashy contests are in the gun for offering prizes no one is guaranteed to win.

Bollard bids farewell to his 'cool job.'

IAG will pay out up to $3.48 million in compensation after admitting it may have breached the Fair Trading Act in relation to more than 150,000 insurance policies.

Telco avoids major damage to its reputation by owning up to the wrongdoing, says brand expert.

Vodafone New Zealand has been fined $960,000 for misleading advertising after the company pleaded guilty to 21 charges laid by the Commerce Commission.