Trade Me Group, the online auction website, fell 0.2 percent to $4.08. Pacific Edge, makers of the non-invasive bladder cancer detection test, rose 2.4 percent to $1.30, paring its decline of 19 percent in the past month.
Synalit Milk fell 1.1 percent to $3.67 after dairy product prices had the biggest drop in almost 20 months at Fonterra Cooperative Group's latest GlobalDairyTrade auction. Units in the Fonterra Shareholders' Fund rose 0.8 percent to $6.15. The units give investors access to Fonterra Coop's dividend stream.
"That's a negative for Synlait because they won't get the benefit of buying Fonterra's price at 70 cents below the milk price," Goodson said.
Steel & Tube Holdings was the worst performer on the bourse, down 3 percent to $2.96. Fletcher Building, New Zealand's biggest listed company, fell 0.2 percent to $9.46.
MightyRiverPower fell 0.9 percent to 2.17. Meridian Energy declined 1.7 percent to $1.135. Auckland lines company Vector declined 0.8 percent to $2.45 and Contact Energy slipped 0.9 percent to $5.30.
OceanaGold climbed 7.2 percent to $2.54. Telecom rose 1 percent to $2.455 and Sky Network Television rose 0.8 percent to $6.30.
Outside the NZX 50, Postie Plus Group rose 4.6 percent to 11.5 cents. The retailer has missed the cut off for providing its first-half results to the stock market operator NZX and risks a trading suspension if it doesn't meet an April 8 deadline.
Goodman Fielder declined 17 percent to 54 cents, after Australasia's biggest food company said annual earnings will miss expectations by as much as 15 percent, prompting it to speed up its cost cutting plan and reduce staff.