SkyCity Entertainment Group was up 0.3 percent to $3.66. The casino operator delivered its results yesterday, which were down on the previous year, but not as much as the market expected, said Williamson.
Auckland International Airport declined 0.5 percent to $3.62, after the Commerce Commission reaffirmed that Christchurch International Airport is setting prices too high, reminding investors of the threat of regulation.
"Any sort of comment like the Commerce Commissions does have an impact on industry prone to regulation, and will create a bit of selling," Williamson said.
Network provider Chorus fell 1.7 percent to $1.47. Chorus is facing regulated price cuts from December this year, unless the government pushes back on the commission's decision.
Government-controlled energy company MightyRiverPower fell 0.8 percent to $1.975 and Contact Energy was down 0.2 percent to $5.19. The opposition Labour Party and the Greens have vowed to regulate the electricity market if they win this year's election.
Retirement village operators were down today as investors took the opportunity to take some profit from the well-performing stock. Summerset Group Holdings sank 2.4 percent to $3.29. Ryman Healthcare slipped 1 percent to $7.60 and Metlifecare dropped 0.5 percent to $4.03.
"There's been a bit of profit taking. Investors think the sector has had a good run and time to take some profit and look elsewhere," Williamson said. "The outlook is still exceedingly positive, although some analyst valuations put it as a little bit stretched."
Telecom rose 1.3 percent to $2.42. Cloud-based accounting software firm Xero gained 0.6 percent to $40.15. The nation's largest listed company Fletcher Building was up 0.4 percent to $9.45.