New Zealand shares edged higher as Mercury NZ's decision to press ahead with the second stage of what will be the country's biggest wind farm had some investors revisiting their fears of the energy-hungry Tiwai Point smelter closing.

New Zealand shares gained, led by Summerset Group, as retirement village operators extended their gains following signs of a recovery in the Auckland property market. Abano Healthcare jumped on a takeover bid.

Accident Compensation Corp's chief investment officer Nicholas Bagnall is calling it a day after spending more than a quarter of a century helping build the state-owned workplace insurer's investment portfolio to some $45 billion.

New Zealand shares gained as Fletcher Building and Mercury NZ rose on the back of their inclusion in the MSCI New Zealand Index.

The key New Zealand share index was mildly stronger despite the number of its constituents falling matching those that gained. Pushpay Holdings extended its gains after reporting strong results and A2 Milk bounced back from Wednesday's sell-down.

New Zealand shares declined after A2 Milk fell on news of a new competitor in China's infant formula market and as rising bond yields made dividend stocks less attractive.

New Zealand shares joined a rally across Asia as investors remained confident that US and China will end their protracted trade war. Fletcher Building led the market higher as the stock continued its recovery this month.

New Zealand shares joined a rally across Asia as easing trade tensions between the US and China helped buoy investor sentiment. Exporter Fisher & Paykel Healthcare was among firms that gained.

Westpac New Zealand lifted annual net profit 3 percent, a bright spot in its Australian parent's "disappointing" year with group profit falling 16 percent.

New Zealand shares fell, as investors continued to assess the impact of Rio Tinto’s threat to close the Tiwai Point smelter. However, property stocks had a strong day, led by Vital Healthcare Property Trust.

The S&P/NZX 50 Index fell 1.3 percent in October as the threat of Tiwai Point smelter closing weighed on electricity companies and as investors prepared for the upcoming reweighting of the MSCI index.

ANZ has the vexed New Zealand question top of mind, with the capital proposals of trans-Tasman regulators a particular focus for the lender.

New Zealand shares dipped as Kiwi Property Group's plans to raise up to $210 million kept investors busy ahead of the US Federal Reserve's policy review overnight and a slew of local company earnings and annual meetings tomorrow.

New Zealand shares edged higher as growing optimism for a US-China trade deal helped buoy investor sentiment across most of Asia. Auckland International Airport and the Fonterra Shareholders' Fund led the market higher.

A date has been set for the first legal hurdle for Ross Asset Management investors in their class action against the ANZ Bank.

New Zealand shares fell 2.5 percent this week as the threat of the Tiwai Point smelter closure tripped up electricity companies that had been on a tear, and gave investors cause to ponder the slowing economy.