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The Markets

NZX50 sinks as Iran jitters send oil back over US$100/bbl

Thursday 12th of March 2026

New Zealand’s S&P/NZX 50 index joined a slide across Asia as Brent crude oil prices climbed back above US$100 a barrel as Iranian attacks on oil tankers overshadowed the record release of emergency reserves by the International Energy Agency.

Blue chip companies held for their reliable dividends such as Meridian Energy, Mercury NZ and Auckland International Airport were the biggest drags on the main board as rising energy prices push bond yields up further amid growing expectations the Reserve Bank and other central banks will need to hike interest rates to stamp out inflation.

Commercial landlords including Precinct Properties NZ, Stride Property Group, and Goodman Property Trust attracted heavy trading volumes, albeit without much shift in pricing, in what appeared to be investment portfolio adjustments.

And import terminal Channel Infrastructure was among the day’s gainers as the government works through how it will release energy stocks to the IEA’s pool, with New Zealand at least holding enough stock on and offshore to meet its 90-day commitment, unlike neighbour Australia, which is turning to higher sulphur fuels to shore up supply.

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