ASX Preview: Oil Rally Puts Deep Yellow (ASX:DYL) in Focus

5 min read | July 20, 2026 11:10 AM AEST | By Sam

Highlights

  • Australian shares are expected to open cautiously as escalating US-Iran tensions push oil prices higher.
  • Deep Yellow (ASX:DYL) awarded two construction contracts for its flagship Tumas uranium project in Namibia.
  • Perenti (ASX:PRN) announced a mining services transition agreement at Ghana's Iduapriem Gold Mine.

Australian shares are expected to begin Monday's trading session on a softer note as investors react to rising geopolitical tensions in the Middle East and a stronger move in global oil prices. Fresh concerns over energy supply have lifted crude oil after renewed hostilities involving the United States and Iran, while weaker performances across major US equity markets are also expected to weigh on sentiment.

Despite the cautious backdrop, company-specific developments are likely to remain an important driver of trading activity. Deep Yellow (ASX:DYL) has moved into focus after announcing two construction contracts for its flagship Tumas uranium project in Namibia, while Perenti (ASX:PRN) provided an operational update relating to its African mining services business. Within the All Ordinaries, investors are expected to closely monitor both geopolitical developments and corporate announcements as the trading week begins.

Oil prices climb on geopolitical tensions

Global energy markets strengthened after renewed tensions between the United States and Iran raised concerns about potential disruptions to crude oil supplies.

The Strait of Hormuz remains one of the world's most strategically important shipping routes for crude oil exports. Any escalation in the region is closely watched because disruptions could affect global energy markets, transportation costs and inflation expectations.

Higher oil prices generally provide support for energy producers but can also increase operating costs across a wide range of industries. Investors will therefore continue assessing whether the current rally in crude oil is temporary or signals a more prolonged period of supply uncertainty.

As geopolitical headlines continue evolving, market volatility may remain elevated throughout the week.

Wall Street provides a weaker lead

Australian investors are also digesting a softer finish from US equity markets.

Major US indices ended the previous session lower as investors reduced exposure to growth-oriented sectors amid rising geopolitical uncertainty. Technology stocks led declines, while broader market sentiment became increasingly cautious.

Although Australian equities do not always follow Wall Street directly, international market weakness often influences the local opening, particularly when global macroeconomic themes dominate investor attention.

The combination of weaker offshore markets and higher energy prices is expected to produce a mixed start for Australian equities, with resource-related sectors potentially outperforming other parts of the market.

Deep Yellow advances flagship uranium project

Deep Yellow announced the award of two civil and concrete construction contracts with a combined value of approximately AU$34 million for its flagship Tumas uranium project in Namibia.

The contracts represent another milestone as the company continues advancing project development and construction activities.

Tumas is expected to become one of Deep Yellow's key growth assets as the company works toward establishing itself as a future uranium producer. Namibia remains one of the world's major uranium-producing jurisdictions and continues attracting investment in large-scale mining developments.

The latest contract awards support ongoing site preparation and infrastructure development, with construction activities forming an important part of the project's progression.

The uranium sector has attracted growing attention globally as governments continue evaluating nuclear energy to strengthen energy security while supporting lower-emission electricity generation.

Investors are likely to continue monitoring project milestones, construction progress and future operational updates from the company.

Perenti updates Ghana mining operations

Mining services provider Perenti also announced an operational development involving its African Mining Services business.

The company said African Mining Services, through its AMAX joint venture, has reached an agreement with AngloGold Ashanti regarding an orderly transition of mining services at the Iduapriem Gold Mine in Ghana.

Perenti operates across several international mining regions, providing contract mining and operational services to a diverse range of resource companies.

Transition agreements form part of normal project management within the mining services industry, allowing companies to manage workforce planning, equipment deployment and operational continuity across multiple contracts.

The latest update reflects Perenti's continued focus on managing its international contract portfolio while supporting clients across major mining jurisdictions.

Readers following Australia's broader resources sector can also explore ASX Metal & Mining Stocks for additional industry developments.

Labour market data moves into focus

Beyond company announcements, investors will also be preparing for Australia's labour force report later this week.

Employment data remains one of the most closely watched economic indicators because it influences expectations surrounding inflation, household spending and future monetary policy decisions.

A resilient labour market may reinforce confidence in Australia's economic outlook, while weaker-than-expected data could alter expectations regarding future interest rate settings.

Economic releases later in the week may therefore become important catalysts for Australian equities alongside ongoing geopolitical developments.

What could investors monitor today?

Investors are likely to continue watching:

  • Further developments involving the United States and Iran.
  • Oil price movements and their impact on global markets.
  • Performance across energy and mining-related companies.
  • Construction progress at Deep Yellow's Tumas project.
  • Operational developments involving Perenti's international mining services business.
  • Positioning ahead of Australia's labour force report later this week.

Australian shares are expected to open cautiously as higher oil prices and escalating geopolitical tensions create a more uncertain global market environment. While stronger energy prices may support selected resource companies, broader market sentiment remains influenced by inflation concerns and weaker offshore markets.

Deep Yellow's latest construction contracts represent continued progress at its flagship uranium project, while Perenti's operational update highlights ongoing activity within the mining services sector. Together with upcoming economic data, these developments are likely to remain key areas of focus for Australian investors during the week ahead.

Frequently Asked Questions

  • Why are Australian shares expected to open cautiously?
    Rising oil prices, geopolitical tensions and weaker US markets are contributing to a softer outlook for the ASX.
  • What did Deep Yellow announce?
    Deep Yellow awarded two civil and concrete construction contracts for its flagship Tumas uranium project in Namibia.
  • Why is Perenti in focus?
    Perenti announced a mining services transition agreement involving the Iduapriem Gold Mine in Ghana through its African Mining Services business.

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