Orion Health Group led the index lower, down 5.3 per cent to $3.60, and has gained 18.8 per cent this year.
Air New Zealand dropped 3.3 per cent to $1.89, Scales Corp fell 2.8 per cent to $3.11, and A2 Milk Co dropped 2.6 per cent to $1.86.
The biggest gainers were the dual-listed banks, with Australia and New Zealand Banking Group up 2.4 per cent to $28.22 and Westpac Banking Corp advancing 1.5 per cent to $30.90.
Auckland International Airport rose 2.3 per cent to $7.21. The price veered between $7.09 and $7.30, with 1.2 million shares traded and Price said this was indicative of large price movements being driven by overseas investors, albeit without a lot of volume.
Kathmandu Holdings gained 2 per cent to $2.02, and has advanced 27 per cent this year. The Christchurch-based retailer lifted annual profit 64 per cent to $33.5m and will pay a bigger dividend after more rigorous inventory management helped fatten margins. Gross margin widened to 62.6 per cent from 61.5 per cent, and sales rose 4 per cent to $425.6m.
Outside the main index, Synlait Milk was unchanged at $3.507. The dairy company has completed the institutional component of its rights offer, raising about $59m. As part of its earnings announcement on Monday, the company said it planned to raise $98m in a rights offer to expand its infant formula manufacturing.