Trustpower and Tilt got a late tailwind from mother nature.

Infratil has lost most of its bus contract with the Greater Wellington Regional Council.

Infratil has sold its cornerstone stake in Metlifecare for $237.9 million.

Infratil says a hearing on a bid to extend the Wellington Airport runway will likely be delayed due to earthquake hearings.

Infrastructure investor Infratil is still upbeat about its investment in US renewable energy despite Donald Trump's promise to boost coal.

Stockmarket drops amid light trading.

New Zealand shares.

Trustpower may now have to pay nearly $15 million in tax and interest after losing a Supreme Court appeal.

The High Court has backed that a 90-metre safety area for an extended Wellington Airport runway is sufficient.

Infratil lifted annual earnings by 2.5 per cent, meeting guidance, as its Metlifecare and RetireAustralia investments delivered big contributions.

New Zealand's biggest bus operator is paying $30m to start moving its fleet to electric technology.

Infratil expects its underlying earnings to rise, helped by its retirement village business.

Wellington Airport has hit back at scathing analysis of its runway extension plan by the New Zealand Institute of Economic Research.

Report backed by airlines tears into plan to lengthen airport's runway, saying it would be a waste of money and a drain on the economy.

HRL Morrison & Co's Lib Petagna has continued to sell down his stake in Infratil as he scales back his role with the investment bank managing the listed infrastructure investor.

Brokers are picking Fisher & Paykel Healthcare, Diligent and Infratil to be among the NZX's top-performing stocks in 2016.

Infratil, the investment company managed by Wellington-based investment bank Morrison & Co, posted a 14 percent gain in first-half pretax earnings.

Infratil will book a profit of $392m on the sale of its remaining 20pc stake in Z Energy.

Infrastructure investor Infratil says it'll be taking a more wary approach to potential new acquisitions.

New Zealand shares rose yesterday, heading back towards a record high after a two-day slide.

A new service from Fiji Airways will allow Wellingtonians to escape twice a week to the tropics from next June.

Martin Aircraft Company has extended its IPO for two weeks as the firm negotiates with a potential investor that could become a cornerstone shareholder.

The Auckland-based firm, whose brands include Oyster Bay, took out the Best Growth Strategy award.

Infratil will return $120m to shareholders as a special dividend after it sold its Australian energy assets for a net $670m.

Check out a snapshot of some of the stellar performers on the New Zealand sharemarket this year, as it surged ahead breaking new records.