"The main reason for the weakness is investors selling stock in order to raise funds for the Genesis Energy issue in which there has been a lot of interest and looks to be a successful float," said Grant Williamson, broker at Hamilton Hindin Greene "The very high growth sector has come under pressure overseas, and we've seen that in both Xero and Pacific Edge, both those stocks are starting to weaken a bit."
"Some of the stocks that have performed incredibly well over the last 12 to 18 months investors are deciding to take profits from and that is certainly putting pressure on the share prices," he said.
Outside the benchmark index Wynyard Group slid 2.7 percent to $2.85. The security software firm has climbed 157 percent in the past 12 months.
Melbourne-based gold miner OceanaGold led the index lower, falling 7.1 percent to $2.37.
Michael Hill International declined 0.7 percent to $1.35. The Brisbane-based jeweller which bears the name of its founder reached an A$6 million settlement with the Australian Tax Office over its 2008 transfer of intellectual property to its Australian subsidiary.
Property stocks, which typically offer a high dividend yield, paced the day's decline with the Reserve Bank's move to higher interest rates detracting from their appeal.
Precinct Properties fell 1 percent to 99 cents. DNZ Property Funds lost 0.7 percent to $1.525, while Argosy Property slid 0.6 percent to 90.5 cents. Kiwi Income Property Trust slipped 0.5 percent to $1.11 and Goodman Property Trust was unchanged at 96 cents.
Telecom fell 0.4 percent to $2.43. Fletcher Building, New Zealand's largest listed company, dropped 0.4 to $9.48.
Among the day's few gainers, Auckland lines company Vector advanced 1.7 percent to $2.47. Outdoor goods retailer Kathmandu Holdings rose 1.3 percent to $3.90 and network provider Chorus lifted 1.2 percent to $1.735. Auckland International Airport rose 0.9 percent to $3.845.