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The Markets

NZX50 ekes out weekly gain as Serko shakes off gloom, Vista signs new customers

Friday 22nd of May 2026

New Zealand’s S&P/NZX 50 index rose this week as tech duo Serko and Vista Group International found favour among investors, while Infratil continued to advance amid renewed optimism about artificial intelligence having cashed up some of its stake in Contact Energy.

Tower was the biggest laggard of the week in its sharpest decline in almost nine years as its first-half earnings sank f...

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