China took another step to degrade the dollar in defining the value of its currency, in an effort that cuts against its rival's stubbornly strong hold on the global financial system.

Maverick shareholder advocate Bruce Sheppard reckons there's lessons for investors from the American Wild West.

Stock market operator NZX is "assessing" Plexure's recent trading after the stock soared 26 per cent a day ahead of an announcement.

New Zealand shares edged lower in light holiday trading, led by Ryman Healthcare and Kathmandu Holdings, while yield stocks Sky Network

The national price of 91 petrol has topped $2 per litre, but with some stations still charging lower prices it pays to shop around.

New Zealand shares rose in abbreviated trading ahead of the Christmas holiday, led by blue-chip stocks including Auckland Airport and Spark.

The New Zealand dollar was little changed as a mixed US data in light pre-Christmas trading.

The New Zealand dollar fell as a stronger US dollar continues to dominate world markets.

Caltex will take over Gull's 77 petrol stations across New Zealand.

The New Zealand dollar briefly fell below 69 US cents for the first time since June, around the time the results of the latest GlobalDairyTrade

The New Zealand dollar dropped to a new six-month low ahead of tonight's dairy auction.

BP has agreed its second huge deal in days with the energy giant revealing a near $1 billion investment in gas fields off Northwest Africa.

The New Zealand dollar fell below 70 US cents, touching a six-month low in US trading on Friday.

NZ shares rose, snapping five days of decline, with Tegel Group Holdings and A2 Milk Co recovering from being sold off earlier in the week.

NZOG made its final pitch to shareholders to sign off the sale of its stake in the Kupe oil and gas field to Genesis Energy for $168 million.

Hellaby provided first-half guidance for profit of up to $39.5 million, and promised a special dividend if the Bapcor offer fails.

The New Zealand dollar extended its decline after this week's Federal Reserve decision to hike interest rates.

NZ dollar tumbles, swaps, bond rates rise after Fed signals faster pace of interest rate hikes

Australia looks set to follow in the footsteps of Venezuela and India by abolishing the country's highest-denomination banknote.

New Zealand Oil & Gas says it's considering an offer to buy its 27.5 per cent interest in the Tui oil field.

The New Zealand dollar was little changed against the US dollar and reached its highest level this year against the yen.

The AA is advising motorists to shop around for petrol as more oil-producing nations slash production.

The New Zealand dollar gained along with other commodity-linked currencies.

Billing disputes are the main issue for utility customers but the number of those complaining about disconnections is growing.

The New Zealand dollar climbed more than expected and reached a 19-month high versus the euro following the European Central Bank's stimulus extension.

New Zealand shares fell, led lower by Spark New Zealand and Scales Corp, while Orion Health Group rose from its record low.

The New Zealand dollar rose to an 18-month high against a broadly weaker euro.

Takeover target Hellaby hints at possible breakup on its own terms.

The New Zealand dollar rose ahead of a speech by Reserve Bank Governor Graeme Wheeler.

Concern has been raised after reports that Australia's The Star Entertainment Group wants a merger with SkyCity.