"If the dividends aren't there, investors can punish a stock somewhat," said Grant Williamson, a director at Hamilton Hindin Greene in Christchurch.
Meantime, Fliway, which is outside the NZX 50, jumped 14 per cent to $1.08 after the transport and logistics firm declared a final dividend at the top end of its payout range.
Spark New Zealand fell 2.5 per cent to $3.90.
A2 Milk led the benchmark index higher, up 2.7 per cent to $2.30 after announcing an extension to its supply arrangements with Synlait Milk. Synlait shares increased 0.8 per cent to $3.77. Fletcher Building, which met guidance when posting earnings last week, gained 1.7 per cent to $10.71.
Mercury NZ, the rebranded Mighty River Power, rose 1.6 per cent to $3.09 after the power company reported a 2.3 per cent increase in operating earnings. Meridian Energy rose 0.5 per cent to $2.945 and Genesis Energy increased 0.9 per cent to $2.27 before they report their respective earnings tomorrow.
Tourism Holdings fell 0.7 per cent to $3.02 after reporting a 21 per cent increase in annual profit to $24.4 million and a higher annual dividend payment of 15c per share.
Serko climbed 13 per cent to 68c; Fisher & Paykel Healthcare fell 0.6 per cent to $10.21 after an earnings warning and Kiwi Property Group fell 1 per cent to $1.555.