Restaurant Brands New Zealand rose 2.1 percent to $2.86. The nation's largest food operator said fourth-quarter sales rose at a faster pace reflecting the contribution of the Carl's Jr. burger chain.
Z Energy rose 2.1 percent to $3.81. The petrol station company will save $50 million on new storage facilities after cutting a deal with BP and operators of the Marsden Point oil refinery.
Ryman Healthcare rose 1.6 percent to $8.19, extending a six day rally as investors returned to the stock after a month of profit taking, Williamson said.
Telecom rose 0.2 percent to $2.49. Sky Network Television increased 0.03 percent to $6.38, while casino operator SkyCity Entertainment Group gained 0.5 percent to $3.95.
Warehouse Group, New Zealand's largest listed retailer, lifted 0.3 percent to $3.61 and clothing chain Hallenstein Glasson increased 0.6 percent to $3.13. Outdoor apparel retailer Kathmandu Holdings fell 0.8 percent to $3.43.
Partially privatised electricity company Mighty River Power gained 0.5 percent to $2.065, while fellow state controlled energy provider Meridian Energy was unchanged at $1.095. Contact Energy rose 0.6 percent to $5.23.
NZX fell 0.3 percent to $1.27. New Zealand's stock market operator said activity on the bourse grew for the 18th month in a row in February, though transaction value was lower than the same month a year earlier.
Outside of the index, Renaissance Corp climbed 7 percent to 15 cents after it said it had found a buyer for its Yoobee Apple computer stores, the last of its remaining businesses.
Rakon rose 5 percent to 21 cents. The company, which makes crystal oscillators used in smart phones, was publicly censured and fined $30,000 by the stock market's disciplinary tribunal for breaching disclosure rules.