"The big news on our market has been the relative rally in the energy stocks," said Robert Garden, investment advisor at Craigs Investment Partners. "You could almost put that down to dysfunction in the Labour Party with Shane Jones leaving in the last day or so. It's probably a wee bit of another nail in the coffin for Labour."
Auckland lines company Vector was unchanged at $2.49, as was TrustPower at $6.65. Infratil, which owns half of TrustPower, advanced 0.2 percent to $2.27.
SkyCity Entertainment Group was the day's best performer, rising 2.5 percent to $4.13, paced by Tower, up 2.5 percent to $1.65. OceanaGold rose 1.9 percent to $2.65, and Sky Network Television advanced 1.9 percent to $6.50.
Fletcher Building, New Zealand's largest listed company, rose 0.2 percent to $9.76. Telecom slipped 0.8 percent to $2.615 while Auckland International Airport fell 1.5 percent to $3.97.
Pacific Edge, the Dunedin-based biotech company, was the day's worst performer on the bourse, down 5.4 percent to $1.06. Diligent Board Members Services declined 2.4 percent to $4.49 and Xero, the cloud-based accounting software firm, dropped 1.2 percent to $31.90. A2 Milk Company, the premium quality milk marketer, fell 1.2 percent to 84 cents.
Warehouse Group, New Zealand's largest listed retailer, declined 1.5 percent to $3.35. Trade Me Group, the online auction website, climbed 0.5 percent to $3.91 and Brisbane-based jeweller Michael Hill International was unchanged at $1.32.
Outside the benchmark index, Seeka Kiwifruit Industries tumbled 12 percent to $2.63 after earlier this week announcing it had paid $5.25 million for Glassfields (NZ), the fruit ripening and import business, as it seeks growth away from the kiwifruit sector.