2 ASX Mining Giants Up ~12% in a Month: What’s Driving the Momentum

Shwetambri Chauhan

27 April 2026 05:11 PM AEST

2 ASX Mining Giants Up ~12% in a Month: What’s Driving the Momentum

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Highlights

Rio Tinto and BHP shares surged over 11–12% in the past month.
Copper production growth remains a key driver of future earnings.
Iron ore operations continue to deliver high output despite disruptions.
Lithium and aluminium markets show promising long-term demand.
Global macro trends, including AI and energy transition, are fueling commodities.

The global mining industry is witnessing a powerful resurgence in 2026, led by two of the biggest players on the Australian Securities Exchange (ASX): Rio Tinto (ASX:RIO) and BHP Group (ASX:BHP). Over the past month alone as of 27 April 2026, these heavyweight stocks have delivered impressive gains—Rio Tinto shares rising by approximately 12.86% and BHP climbing 11.49%.

But this isn’t just a short-term rally. Behind these numbers lies a compelling story of operational excellence, strategic investments, and high global demand for key commodities such as copper, iron ore, aluminium, and lithium.

Let’s dive deep into what’s driving this growth—and whether it can continue.

March Quarter Operational Performance Driving Growth

At the core of Rio Tinto’s recent success is its ability to execute consistently across its diversified portfolio. The company reported a 9% year-on-year increase in copper equivalent production in the last quarter, reflecting continued performance across its operations.

This growth was largely attributed to:

The ramp-up of the Oyu Tolgoi copper mine
High output from its Pilbara iron ore operations
Resilience in its aluminium value chain

Despite challenges such as cyclones impacting shipments, Rio Tinto managed to maintain high production levels. Its Pilbara operations recorded their second-highest first-quarter production since 2018, highlighting operational efficiency even under adverse conditions.

BHP, on the other hand, has also demonstrated impressive consistency. The company reported record material mined and high concentrator throughput, particularly at its flagship Escondida copper mine. This operational strength reinforces its position as a global mining leader.

Copper: The Star Commodity of the Future

One of the biggest growth drivers for both companies is copper.

Copper prices surged earlier in the year, reaching record highs due to:

Rising demand from AI-driven infrastructure
Growth in renewable energy systems
Limited supply expansion

Rio Tinto’s copper production rose by 9% year-on-year, while BHP continues to target the upper range of its production guidance. The strategic importance of copper cannot be overstated—it is a critical component in electric vehicles (EVs), renewable energy systems, and global electrification efforts.

As the world transitions toward cleaner energy, demand for copper is expected to remain strong, making it a cornerstone of future growth for mining giants.

Iron Ore: Stability Amid Disruptions

Iron ore remains a key revenue driver for both Rio Tinto and BHP.

Rio Tinto reported:

13% growth in Pilbara production
Stable sales despite weather disruptions
Continued demand from China

Meanwhile, BHP achieved record production at its Western Australia Iron Ore (WAIO) operations, reinforcing its dominance in the sector.

Even though global steel production faced minor fluctuations, iron ore prices remained relatively stable. This resilience is crucial, as it provides a strong foundation for consistent cash flow.

Aluminium and Lithium: Future-Focused Growth

While traditional commodities like iron ore and copper remain essential, newer materials are gaining importance.

Aluminium: The aluminium market saw high price growth due to supply disruptions in the Middle East and tightening inventories globally. Rio Tinto’s integrated aluminium operations helped offset challenges in raw material supply, showcasing the benefits of vertical integration.

Lithium: Lithium is rapidly becoming a key focus area due to its role in batteries. Prices surged significantly, driven by:

Increasing demand for battery energy storage systems (BESS)
Supply constraints and policy changes
Long-term growth in electric vehicles

Rio Tinto’s lithium projects are progressing well, with several operations expected to begin production in the second half of 2026.

Macro Trends Supporting the Rally

The performance of mining stocks isn’t happening in isolation—it’s supported by broader global trends.

AI and Technology Boom

The rise of artificial intelligence is driving massive demand for data centers, which in turn require significant amounts of metals like copper and aluminium.

Energy Transition

The global shift toward renewable energy is increasing demand for key commodities used in solar panels, wind turbines, and batteries.

Economic Growth in China

China’s economy grew by around 5% in Q1 2026, supported by industrial production and exports . As the world’s largest consumer of metals, China’s growth is a major positive for mining companies.

Challenges to Watch

Despite the positive outlook, there are several risks investors should keep in mind:

Geopolitical Uncertainty

The ongoing conflict in the Middle East has created uncertainty in global markets. While direct impacts on mining operations have been limited, supply chains and energy prices remain volatile.

Weather Disruptions

Cyclones and extreme weather events have already impacted shipments in 2026. These risks are likely to persist.

Cost Pressures

Rising fuel costs and inflation could affect margins, although both companies have strong cost management strategies in place.

Strategic Investments and Future Projects

Both Rio Tinto and BHP are investing heavily in future growth.

Rio Tinto Highlights

Development of the Simandou iron ore project in Guinea
Expansion of lithium projects in Argentina
Investment in low-carbon aluminium technologies

BHP Highlights

Growth in copper production capacity
Development of new concentrators
Strategic divestments to strengthen the balance sheet

These investments position both companies to benefit from long-term demand trends.

Why Investors Are Paying Attention

The recent rally in Rio Tinto and BHP shares reflects growing investor confidence. Key reasons include:

Continued financial performance
Diversified commodity exposure
Alignment with global megatrends
Robust balance sheets

For long-term investors, these companies offer exposure to critical sectors shaping the future economy.

Final Thoughts

The impressive gains in Rio Tinto and BHP shares are not just a short-term phenomenon—they reflect a broader shift in the global economy.

With their operational performance, strategic investments, and favourable market conditions, both companies are well-positioned for sustained growth.

However, as with any investment, risks remain. Investors should keep an eye on geopolitical developments, cost pressures, and commodity price fluctuations.

Overall, the outlook for mining giants in 2026 remains highly promising, making them key players in the evolving global landscape.

FAQs

Why have Rio Tinto and BHP shares increased recently?

Their shares have risen due to continued production growth, rising commodity prices, and positive global demand trends for metals like copper and iron ore.

What is driving copper demand in 2026?

Copper demand is driven by renewable energy projects, electric vehicles, and AI infrastructure expansion.

Why is lithium important for mining companies?

Lithium plays a crucial role in battery production, especially for electric vehicles and energy storage systems. Growing global demand for clean energy solutions is increasing the need for lithium supply.

What risks could impact mining stocks?

Key risks include geopolitical tensions, weather disruptions, and rising operational costs.

What factors are shaping the mining industry in 2026?

Major factors include global economic growth, energy transition trends, technological advancements, and demand from large economies like China and the US.

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