"It is partly Qantas, but it's also a reflection of what the market saw as a pretty good result and now Air New Zealand is up at the highest it's been since essentially pre-GFC, 2008 levels," Smalley said.
Xero, the accounting software company, led the day's gainers rising 3.4 per cent to $41.50, paced by Ryman Healthcare up 1.9 per cent to $8.05 and Sky Network Television up 1.1 per cent to $6.19. New Zealand's biggest listed company Fletcher Building rose 0.3 per cent to $9.45.
Chorus slipped 0.3 per cent to $1.52, as an offshore substantial shareholder sold off their stock as the threat of further regulation for the network provider deters foreign investors, said Smalley. Chorus is in negotiations with Crown Fibre Holdings over the pricing of New Zealand's ultrafast broadband network and will be forced to cut prices on its copper network by the Commerce Commission.
A2 Corp slipped 1.1 per cent to 93 cents while retirement village operator Summerset Group Holdings fell 0.9 per cent to $3.37, as investors took the opportunity for some profit taking after the stock's positive earnings.
Diligent Board Members Services slipped 0.6 per cent to $4.82 after the company restated its accounts last week.
Auckland International Airport rose 0.3 per cent to $3.75, casino operator SkyCity Entertainment Group was unchanged at $3.93. Telecom gained 0.4 per cent to $2.51.
Outside the benchmark index, Snakk Media, which matches advertisers with apps and social media, slid 9.8 per cent to 11 cents after reporting third quarter sales were crimped by the high kiwi against the Australian dollar.
New Zealand Refining was unchanged at $1.75. The Whangarei-based company said it raised $48 million in a placement of new shares. Pyne Gould Corp was unchanged at 43 cents as the asset management firm posted a first-half loss on foreign exchange charges.