Fruit exporter Scales led the benchmark index lower, falling 2.8 per cent to $4.48, followed by honey products maker Comvita down 2.8 per cent to $8.75 and telecommunications network operator Chorus which declined 2.6 per cent to $3.825. Global logistics group Mainfreight fell 2.5 per cent.
SkyCity rose 0.5 per cent to $4.05 after reporting a 12 per cent gain in first-half profit on a recovery in its international business and said it was on track to deliver modest annual growth, kicking off corporate earnings season.
Nikko's Williams said the casino operator was largely tapped into the domestic market and said most companies reporting don't have a close connection to global markets and will be "a bit more of a New Zealand story".
Among companies reporting on Monday, Contact Energy fell 0.4 per cent to $5.34 and Property For Industry gained 0.6 per cent to $1.64.
Outdoor equipment chain Kathmandu Holdings gained 1.3 per cent to $2.35, the biggest increase on the day.
Fletcher Building shares were still halted at $7.77 ahead of a briefing on Monday when the construction company will update investors on further writedowns to major projects that will breach its lending covenants.
Morningstar says it would be positive for Fletcher to sell the construction division, which the analyst values at $550m, although it probably has to be at a discount.
Outside the benchmark index, Augusta Capital fell 1.9 per cent to $1.04 after buying the management contract for real estate investor NPT, subject to shareholder approval. NPT fell 0.8 per cent to 59.5 cents.