"People are very nervous about those couple of events because they could go very well in terms of market reaction or they could not go so well."
A2 led the market higher, up 2 per cent to $10.40 on lighter volumes than usual, while Ryman Healthcare rose 1.6 per cent to $11.21 on average volumes.
Fisher & Paykel Healthcare extended its gain, up 1.1 per cent to $13.45. The breathing apparatus maker reported a 20 per cent increase in first-half profit yesterday, which Lister said was a solid result that investors liked.
Trade Me was the most traded stock with 3.4 million shares changing hands, compared to its 90-day average of 450,000. The price was unchanged at $6, below the $6.40 price British private equity firm Apax Partners has put forward as an indicative offer.
Fletcher Building rose 0.6 per cent to $4.69 on volumes of 3.2 million as it recovers from a 14-year low, while Spark New Zealand gained 0.9 per cent to $4.12 on volumes of 3 million. Auckland International Airport increased 0.1 per cent on 2.3 million shares, more than twice its average.
Precinct Properties New Zealand was unchanged at $1.42 on volumes of 1.4 million, twice its average.
Sky Network Television dropped 7.1 per cent to $2.23, the biggest decline on the day in light trading. The pay-TV operator gave up yesterday's gain when it unveiled incoming CEO Martin Stewart.
Synlait Milk decreased 2.3 per cent to $8.43 on very small volumes ahead of tomorrow's annual meeting. Genesis Energy fell 2.2 per cent to $2.40 on average volumes.
Arvida Group rose 0.8 per cent to $1.31 after reporting a 45 per cent increase in first-half underlying earnings. The retirement village operator said the result was boosted by a strong occupancy rate and buoyed by good resale margins.
Fonterra Shareholders' Fund units decreased 0.2 per cent to $4.66 after Fonterra's head of consumer and foodservice Lukas Parivicini announced his departure from January.
Outside the benchmark index, Turners Automotive sank 7.7 per cent to $2.51 after reporting a 28 per cent increase in first-half profit and warning of slowing demand for vehicles.
Green Cross Health was unchanged at $1.19 after reporting a 7.1 per cent fall in first-half profit as the government's pay equity settlement for aged and homecare workers didn't fully fund the firm's increased cost.
Tilt Renewables gained 0.4 per cent to $2.32, more than the $2.30 price an Infratil and Mercury NZ joint venture is offering to take it private. Infratil today said it's secured 85 per cent and urged the remaining minority shareholders to sell. Infratil decreased 0.4 per cent to $3.495 and Mercury dipped 0.3 per cent to $3.43.
WEL Networks almost doubled first-half profit as its expanding fibre business boosted revenue and a growing population in Waikato supported residential electricity lines connections. The community trust-owned company has $150m of listed bonds maturing in 2023 and paying annual interest of 4.9 per cent. A small volume traded today unchanged at a yield of 4.3 per cent.