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ASX set to drop after US tech rout, oil spike

ASX set to drop after US tech rout, oil spike
Markets · 2026
Photo · Marcus Devlin for Daily Digest Invest
By Marcus Devlin Equities Correspondent Nov 5, 2026 4 min read

Australian shares are poised to open lower on Friday, tracking a sharp sell-off on Wall Street that was led by technology stocks. The US market dropped after the Democratic Party swept the midterm elections, raising concerns about stricter regulation of artificial intelligence, while a jump in oil prices added to the cautious mood.

The US losses were swift and broad. The S&P 500 fell 4.4%, the Nasdaq Composite slid 5.5%, and the Dow Jones Industrial Average dropped 3.4%. That is a rough handoff for Australia, where the benchmark ASX 200 climbed 2.6% to close at 9,065.10 on Thursday.

Why US tech stocks fell

Politics helped set off the sell-off. With Democrats winning unified control of Congress, investors began to worry that the party could push for tighter rules on artificial intelligence. Stricter AI regulation could slow the construction of data centers, which have been a major driver of earnings expectations for big tech companies. The prospect of higher compliance costs and potential limits on AI development spooked investors, sending tech shares sharply lower.

This is not the first time that political shifts have rattled the tech sector. Democratic control has previously raised questions about AI oversight, and investors are now weighing how quickly new rules might come. The sell-off was broad, hitting not just the big names but also companies that supply the infrastructure for AI, such as chipmakers and data-center operators.

Oil prices add to the gloom

At the same time, oil prices rose after attacks on tankers and rising tensions tied to the US-Israeli conflict with Iran. The attacks revived fears of supply disruptions, and higher oil prices add an inflation worry to an already cautious mood. Brent crude has been climbing as traders weigh the risk of a broader conflict in the Middle East.

For everyday investors, higher oil prices can mean more expensive petrol and heating bills, which can eat into household budgets. For markets, they can also push central banks to keep interest rates higher for longer, which tends to weigh on stock valuations.

Local earnings may take a back seat

Back home, strong company updates from Macquarie, one of Australia’s largest investment banks, and James Hardie, a building-products maker, may matter less at the open than the global mood. Macquarie reported earnings per share of AU$6.493, while James Hardie posted adjusted earnings per share of $0.42. Both are solid results, but in a risk-off environment, investors often sell first and ask questions later.

Next week, investors will get fresh reads on confidence from Westpac and NAB, two of Australia’s major banks. These surveys can shape expectations for economic growth and consumer spending, and they may give local traders a reason to focus on domestic fundamentals again.

What it means for investors

When the US market falls as sharply as it did, global investors often shift into “risk-off” mode, cutting their overall stock exposure rather than making country-by-country calls. That tends to push markets to move more in sync, so Australian index futures can echo the US move, especially when tech is leading the fall.

In that setup, upbeat local results can get drowned out until a new catalyst gives traders a reason to reprice Australia on its own terms. The ASX 200’s jump on Thursday showed how quickly sentiment can turn, but Friday’s open is likely to be a different story.

For ordinary investors, the key takeaway is that global markets are increasingly interconnected. A 5.5% slide in the Nasdaq can outweigh a strong close in Australia. While it is never wise to make hasty decisions based on a single day’s move, it is worth being aware that volatility can be higher when political and geopolitical risks are in play.

As always, diversification remains a sensible strategy. Having a mix of assets—stocks, bonds, and cash—can help cushion the blow when one part of the market falls sharply. And for those with a long-term horizon, sharp drops can sometimes create opportunities, but only if you have the time and risk tolerance to ride out the swings.

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