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Home / Business / Markets / Shares

Synlait Milk and Mainfreight take hit, pulling NZ sharemarket down – Market close

Tom Raynel
By Tom Raynel
Multimedia Business Reporter·NZ Herald·
30 Jul, 2025 06:21 AM3 mins to read

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Synlait Milk shareholders were disappointed after the company revealed manufacturing issues at its Dunsandel plant. Photo / Josh Griggs

Synlait Milk shareholders were disappointed after the company revealed manufacturing issues at its Dunsandel plant. Photo / Josh Griggs

The New Zealand sharemarket was down after shares in Synlait Milk and Mainfreight both dropped on the back of downbeat market updates.

On the main board, the S&P/NZX 50 Index closed down 0.62% or 80.44 points, falling to 12,855.97, after 31,103,988 shares changed hands to the value of $122.12 million.

The S&P/NZX 20 index closed at 7537.53, down 0.67%, while the S&P/NZX 10 index ended the day at 12,600.15, falling 0.73%.

There were 57 gainers on the main board and 76 decliners.

The market reacted strongly to the news of manufacturing “challenges” at Synlait Milk’s flagship plant at Dunsandel in Canterbury.

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Synlait said it expects to report a big lift in its underlying earnings for the current year and for its net bottom-line loss to shrink.

Hamilton Hindin Greene investment adviser Jeremy Sullivan said the manufacturing issues could potentially lead to delays in a2 Milk getting its product to market.

“The new chief executive for Synlait came out and said ‘we don’t expect to need any more capital and we’re well within our competences’ and tried to reassure investors, but investors are voting with their feet,” Sullivan said.

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Synlait’s share price fell 7.69% to $0.60, while a2 Milk shares dipped 1c to $8.80.

Mainfreight’s annual shareholders’ meeting was met with a poor response from investors, after the business said it had a slow and disappointing start to the financial year.

Its share price fell late in the day by $6.36 or 9.58% to $60.00 after $8,860,473.66 worth of shares traded hands.

Elsewhere, the Government gave the green light for Kiwibank to raise up to $500m of capital to help the bank grow.

Sullivan said the market would keenly welcome the move and the Government would likely get a good price for it as well.

“Look at the likes of the gentailers and how well that’s actually worked out in terms of the Government maintaining their controlling stake in the businesses and the share prices. They got their cake and got to eat it too.”

Air New Zealand announced it had found its replacement for outgoing chief executive Greg Foran, with current chief digital officer Nikhil Ravishankar appointed as his successor.

Its share price remained flat on 58c after the announcement.

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Meanwhile, Ryman Healthcare’s share price rose 1.22% or 3c to $2.49. following its annual shareholder meeting.

Ryman chief executive Naomi James highlighted the changes the business is making to turn its fortunes around.

Ryman had 903,906 shares change hands to the value of $2,242,196.08.

Sullivan said to look out for Microsoft’s earnings result, expected overnight tonight.

International market

Wall Street stocks retreated on Tuesday (local time) as markets digested major merger announcements and monitored US-China trade talks ahead of big-tech earnings later in the week.

Representatives from Beijing and Washington signalled further talks were likely after a round of negotiations in Stockholm. However, a top US trade official emphasised President Donald Trump would make any “final call”.

Meanwhile, investors digested several significant earnings reports, as well as merger announcements in the rail and energy sectors ahead of major economic news catalysts later in the week.

“After reaching all-time highs, markets are going to take a wait and see attitude,” said Art Hogan of B. Riley Wealth Management.

The Dow Jones Industrial Average finished down 0.5% at 44,632.99.

The broad-based S&P 500 shed 0.3% to 6,370.86, while the tech-rich Nasdaq Composite Index declined 0.4% to 21,098.29.

Both the S&P 500 and Nasdaq had finished at record levels the previous day.

– Additional reporting AFP

Tom Raynel is a multimedia business journalist for the Herald, covering small business, retail and tourism.

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