"Donald Trump said he expected he can have a great deal with China, and that's triggered a little rally in Australia and New Zealand this afternoon," Solly said.
"Liquidity is quite low and volumes are quite low, which is not unusual when people are a little bit wary."
NZX led the market higher, up 2.9 per cent to $1.06 on modest volumes. The stock market operator unveiled a new pricing structure and listing rules. It reported slightly softer third-quarter revenue yesterday which prompted First NZ Capital to lower its target price.
Air New Zealand advanced 2.3 per cent to $2.72 and A2 Milk rose 2 per cent to $10.17, both on lighter than usual volumes.
Spark New Zealand was the most traded stock, with 3 million shares changing hands. It gained 2.1 per cent to $3.95 ahead of its annual meeting on Friday.
Z Energy extended its recovery from a two-year low, rising 1.2 per cent to $6.01 on a volume of 2.7 million shares, three times its 90-day average. Fisher & Paykel Healthcare increased 0.6 per cent to $13.45 on 1.6 million shares, twice the average volume.
Among other stocks with more than 1 million shares traded, Contact Energy was unchanged at $5.52, Sky Network Television fell 1.3 per cent to $2.27 and Meridian Energy declined 1.3 per cent to $3.11.
Of firms holding annual meetings tomorrow, Auckland International Airport rose 0.6 per cent to $6.88, Methven fell 0.9 per cent to $1.16, and Tourism Holdings was unchanged at $4.95.
Outside the benchmark index, PGG Wrightson was unchanged after shareholders approved the sale of its seeds business, while Cavalier Corp was also unchanged at 59 cents after its annual meeting.
Plexure Group jumped 29 per cent, or 4.5 cents, to 20 cents after reporting a maiden interim profit.
Pyne Gould Corp dropped 9.3 per cent, or 2.5 cents, to 24.5 cents on its biggest volume of trading in more than two years. Minority investors will tomorrow decide whether to quit the NZX for a listing in Guernsey.
Tilt Renewables increased 0.4 per cent to $2.29. The wind farm developer and operator reports first-half earnings tomorrow. A joint takeover bid by Infratil and Mercury NZ at $2.30 a share was extended for another two weeks. They now own 83.6 percent.
Green Cross Health rose 3.1 per cent to $1.32 after announcing the appointment of Carter Holt Harvey exec Rachael Newfield as its new group CEO from January.