Aussie shares slide as oil spikes after tankers struck

Oil’s sudden jump rattled local risk appetite, dragging the market lower as investors dumped banks and miners.

By AAP & CBA Newsroom

12 March 2026

A tanker attacked in Strait of Hormuz

Key points

  • S&P/ASX 200 ▼ 114.5 points, or 1.31%, to 8,629
  • All Ordinaries ▼ 125.4 points, or 1.4%, to 8,851.4

Oil shock hits risk appetite

Australian shares fell after reports Iran attacked two oil tankers in Iraqi waters, pushing crude prices back up and sapping confidence.

Losses spread beyond energy

The S&P/ASX200 fell 114.5 points on Thursday, down 1.31 per cent, to 8,629, wiping all but 30 points of the previous two sessions’ gains.

The broader All Ordinaries lost 125.4 points, or 1.4 per cent, to 8,851.4, taking about $42.6 billion from its combined $3.05 trillion market value.

Only the energy sector ended the session higher, as banks and miners sold off.

Rate hike chatter adds pressure

Interest rate-sensitive segments were hammered as a swathe of economists and analysts braced for a potential interest rate hike next week.

Aussie dollar slips

The Australian dollar is buying 71.24 US cents, down from 71.74 US cents on Wednesday at 5pm, as the greenback lifted on safe-haven inflows.

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