"When you see a heavyweight like Fisher & Paykel go down it's no surprise that our index is down."
Fisher & Paykel now makes up almost 17 per cent of the index.
A2 Milk, the second biggest company at about 12.5 per cent of the index, also fell 0.3 per cent to $20.14.
Auckland International Airport declined 2.3 per cent to $6.42 after updating the market with "sobering" and "worse than expected numbers", McIntyre said.
Airport chief executive Adrian Littlewood today said international passengers currently averaged 800 per day at the airport, less than 5 per cent of what they were six months ago, the number of carriers operating had fallen from 29 to 11, and daily flight numbers were down 80 per cent.
The airport expects a net adverse impact of between $50m and $90m from write-downs, redundancy costs, bad debts and other significant items in its full-year earnings.
Vista Group International fell 2.8 per cent to $1.41, declining for the eighth consecutive day. The stock has dropped 15 per cent in the past week as investors have become concerned about the continued spread of Covid-19.
Spark New Zealand dropped 2.2 per cent to $4.46 and Pushpay Holdings declined 1.9 per cent to $8.62. Both stocks have been star performers, growing their market capitalisations throughout the market collapse.
Z Energy fell 0.7 per cent to $2.68. Total fuel volumes for the week ended June 28 were flat compared to the prior week. Volumes are down approximately 27 per cent, or 17 per cent excluding jet fuel, compared to pre-lockdown levels.
SkyCity Entertainment posted the day's biggest gain, rising 6.3 per cent to $2.54.
Air New Zealand rose 2.7 per cent to $1.35.
Napier Port rose 0.3 per cent to $3.61. The government is to lend $20m toward development of a new 12-hectare inland port, bringing forward the project by about five years.
Outside the benchmark index, Augusta advised shareholders to take no action while the company considers an improved takeover bid from Centuria. It yesterday increased its offer by 2 cents. Augusta shares rose 6.8 per cent to 94 cents.