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Mining Stocks Drag ASX Lower Amid Oil Price Surge

By Stocks Desk · 2026-09-11 · 2 min read
A pile of raw copper ore and iron ore chunks on a dark surface
Illustration: Tradingbird

Australian equities lost $90 billion in value this week as rising bond yields and hawkish central bank signals outweighed gains in the energy sector.

The S&P/ASX200 index closed 0.9 percent lower at 8741.2 on Friday, marking a 2.9 percent decline over the past week. Investors erased approximately $90 billion from the Australian market due to a combination of surging oil prices, rising bond yields, and heightened expectations for interest rate hikes by the Reserve Bank of Australia.

Market sentiment was further pressured by recent inflation data and hawkish commentary from central bank officials. Diana Mousina, AMP’s deputy chief economist, noted that the market has been under pressure since early August, with traders now pricing in a rate rise at the end of the current month and potentially 2.7 hikes by October next year.

Mining Sector Faces Broad-Based Declines

Local mining stocks suffered significant losses, with the sector down 3.6 percent on Friday and 3.9 percent over the week. Commodity prices faced headwinds from multiple fronts, including US tariff uncertainty, easing Chinese demand, and rising US interest rates that weighed on precious metals.

Major miners reflected this downturn, with BHP shares slumping 4.1 percent to $60.87 each and Rio Tinto trading 3.5 percent lower. Copper prices dived more than 5 percent from recent record highs, while iron ore futures fell as demand indicators from China softened. Gold stocks also declined, with the metal price sinking 0.3 percent to below US$4,400 per ounce.

Geopolitical Tensions Drive Energy Prices

The energy sector provided a partial offset to broader market losses, gaining 2.4 percent over the past five days. Brent Crude oil hit four-month highs just below US$110 per barrel following escalating military conflict between the United States and Iran.

Iran-aligned Houthis seized Yemen’s port city of Mocha, increasing their ability to disrupt tanker traffic through the Red Sea. Unconfirmed reports of tanker attacks near the Strait of Hormuz and potential damage to Saudi Arabia’s East-West pipeline, which carries up to seven million barrels daily, further exacerbated supply concerns and pushed prices higher.

Consumer Stocks Underperform Amid Rate Fears

Consumer discretionary companies have shed 4.7 percent over the past five days and 15 percent over the past month. The decline follows lacklustre earnings results from retailers such as JB Hi-Fi and reflects broader dampening of consumer confidence due to rising interest rate expectations.

Westpac chief economist Luci Ellis identified the broad rise in global bond yields as the most significant development this month. This trend, coupled with renewed Middle East conflict and central banks contemplating further rate rises, has created a challenging environment for growth-oriented and consumer-facing stocks.

Based on reporting by GN stocks/shares-fall, compiled by the Tradingbird desk.

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