Asian markets were weaker across the board, with the Hang Seng down 1 per cent, the Straits Times Index down 0.7 per cent and the S&P/ASX200 down 2.2 per cent in early afternoon trading.
"I don't see an immediate end to it," McIntyre said. "This tension is going to continue and I think that August is a difficult month and it will carry on at least in the short to medium term. Tomorrow the focus will be on the New Zealand market and the Reserve Bank cut."
A report today showing the country's unemployment rate unexpectedly fell to an 11-year low of 3.9 per cent in the June quarter won't be enough to put off a rate cut by the Reserve Bank tomorrow, economists said. The deteriorating global situation and rate cuts by other central banks have most investors expecting a 25 basis-point cut tomorrow.
Fishing company Sanford was the only gainer in the benchmark index today, rising 0.5 per cent to $6.74.
Spark New Zealand was the heaviest traded stock, with just over 4.6 million shares changing hands, 50 per cent more than usual. The stock fell 1.4 per cent to $3.98.
Among other stocks trading on volumes of more than a million shares, Argosy Property fell 1.4 per cent to $1.395, Oceania Healthcare fell 1 per cent to $1.02, Precinct Properties NZ fell 1.7 per cent to $1.755 and Goodman Property fell 1.4 per cent to $2.06.
"Infrastructure related sectors will be able to weather this a little bit better and those property-related New Zealand-centric companies are likely to escape this," McIntyre said.
Power generators Meridian Energy and Mercury NZ both closed at $4.68, down 1.3 per cent and 1.9 per cent respectively. Air New Zealand fell 2.2 per cent to $2.67.
McIntyre said Fisher & Paykel Healthcare would be one to watch for impacts of the US-China trade war. Shares in the company were down 0.9 per cent at $15.80. Volume of 1.1 million was almost twice its average the past three months.