The technology-heavy Nasdaq Composite was down 1.21 per cent to 14,660.58 points on Wall Street overnight, and one of China's biggest tech firms, Tencent Holdings, has fallen from HK$544 ($100.55) to HK$429 ($79.29) in the past week.
Apple, Microsoft and Google have been a little weaker lately. Main said technology stocks have been carrying markets lately and the sector has now got a bit jittery.
New Zealand's technology stocks are not immune. Serko fell 14c or 1.89 per cent to $7.25; Vista Group was down 7c or 2.95 per cent to $2.30; and Pushpay Holdings declined 4c or 2.23 per cent to $1.75.
Enprise Group, which invests in high-growth technology companies, fell 20c or 6.31 per cent to $2.97, having tumbled more than 22 per cent in the past two days' trading.
Other stocks with exposure in China had a down day. Fonterra Shareholders' Fund declined 4c to $3.76; Synlait slipped 5c to $3.70; and a2 Milk shed 4c to $6.37 on trade worth $9.5m, after reaching an intraday low of $6.15.
SkyCity Entertainment rose 10c or 3.15 per cent to $3.27 after re-opening its Adelaide casino following the end of South Australia's seven-day lockdown.
Z Energy rose 9c or 3.17 per cent to $2.93 on its Investor Day. In its presentation, Z Energy talked of a simplified business plan to optimise its core business, and forecast 15 per cent annual earnings growth through to the end of the 2024 financial year; debt reduction of 1.5 times to operating earnings (ebitdaf); provide dividends of no less than 19c a share; and release $300m of capex to fund debt repayment and growth.
Reacting to renewed speculation that it is a takeover target, Z Energy said there is nothing in this area which requires disclosure, "although we have discussion with other parties and actively consider opportunities that may arise from time to time."
Market leader Fisher and Paykel Healthcare was down 16c to $31.70; while Mainfreight gained 73c to $79.38; Restaurant Brands picked up 23c to $15.78; Infratil collected 5c to $7.35; NZME picked up another 3c or 3.09 per cent to $1; and Allied Farmers rose 4c or 7.02 per cent to 61c.
In the property sector, Precinct Properties was up 2c to $1.64 and Investore was down 3c to $2.04. Argosy Property, a portfolio investment entity (PIE), is paying a first-quarter dividend of 1.6375c a share on September 29. It is in line with Argosy's full-year dividend guidance of 6.55c a share, and its price was unchanged at $1.635.
Oceania Healthcare fell 3c or 1.97 per cent to $1.49 after telling the market that its group general manager property and development, Mark Stockton, has resigned and is leaving immediately. Oceania said it is seeking a replacement with a broader set of skills to focus on new opportunities and innovation in building designs to meet its sustainability goals.
Main said Stockton was well regarded by the market, and investors were digesting whether there is some execution risk around their projects.
Other retirement village operators Ryman Healthcare was down 19c to $12.46; Summerset Group Holdings slipped 2c to $13.07, and Arvida was up 2c to $2.10.
TIL Logistics, which is changing its name to Move Logistics Group, rose 8c or 6.11 per cent to $1.39.