"All equity markets have had a very good run and they're slightly above the historical averages but having said that the environment is gradually improving so investors need to patient with that."
Telecom fell 0.7 percent to $2.73 after touching a month high yesterday.
Paymark, which processes more than three quarters of the country's Eftpos purchases, recorded a "noticeable decline in spending" in June compared to a year earlier, as spending at department stores fell 4.0 percent, appliance retailers dropped 6.5 percent and clothing shops slipped 5.3 percent. Listed apparel retailers have already flagged weaker sales, as an unusually long summer and mild start to winter have crimped sales here and on Australia's east coast.
Warehouse Group dropped 1.3 percent to $3.07. Last month New Zealand's largest listed retailer cut its forecast full-year profit to $59 million to $62 million, down from $73.7 million last year saying the warmer weather had squeezed its margins.
Kathmandu Holdings fell 0.6 percent to $3.30. The outdoor good retailer has also flagged weaker sales ahead of reporting full-year earnings in September. Trade Me Group, the online auction site, declined 1.1 percent to $3.51.
"We are seeing a cooling of consumer activity," Solly said. "In terms of the impact on the retailers' efforts, it's telling us the rate of growth is not as high as it was."
Outside the benchmark index, clothing chain Hallenstein Glasson fell 1.6 percent to $3.05. Childrenswear retailer Pumpkin Patch was unchanged at 38 cents, and has declined 57 percent this year.
Fletcher Building, the country's biggest listed company, fell 0.1 percent to $8.87.
Z Energy fell 0.5 percent to $3.82. The service station chain said margins on its petrol and diesel have increased in recent months as fuel retailers recoup costs of topping up payments to the Marsden Point oil refinery.
Dual-listed lender Westpac Banking Corp led the benchmark index lower, dropping 2.8 percent to $35.40.
Air New Zealand was the best NZX 50 performer, gaining 3.5 percent to $2.07 and snapping six days of decline.
Goodman Property Trust, New Zealand's largest listed property investor by market cap, fell 1.4 percent to $1.07. Property For Industry slipped 0.4 percent to $1.34. DNZ Property Fund dropped 0.3 percent to $1.635.