The computing revolution investors cannot ignore
Quantum computing is moving from theory to real-world investment. Professor David Reilly says it could reshape finance, security and global technology infrastructure.
3 min
For decades, the world’s computing power has quietly expanded at an astonishing pace.
From the first transistor developed at Bell Labs in 1947 to modern processors containing billions and even trillions of transistors, each generation of technology has been faster, smaller and more powerful than the last.
But according to quantum physicist and technology entrepreneur David Reilly, that era of effortless progress is beginning to slow.
Reilly, CEO of Sydney-based Emergence Quantum and Professor of Physics at the University of Sydney, says the computing infrastructure underpinning modern economies is approaching fundamental physical limits.
And that could have enormous implications for finance, artificial intelligence and global investment.
Speaking at an industry event organised by Kanebridge International, Reilly said many critical parts of modern society depend on computing and the infrastructure used to process information.
The slowdown behind the tech boom
For years, the technology industry relied on a steady improvement known as Moore’s Law, where the number of transistors on a chip doubled roughly every two years.
More transistors meant more computing power, allowing faster software, smarter devices and ever-larger data systems.
Today, however, those gains are slowing.
“It feels to me very innate that I’m going to just find that next year there’s going to be another breakthrough,” Reilly said.
“But if you look at the data…there’s a slowing down, a roll off in performance that started some 10, 20 years ago.”
Rather than making chips dramatically faster, manufacturers are now largely increasing computing capacity by packing more transistors onto each processor.
The approach works, but it comes with growing complexity, higher costs and increasing energy demands.
The brute-force race for AI
That challenge is already visible in the massive data centres being built to support artificial intelligence.
In the race to dominate AI, companies are constructing vast computing facilities that consume huge amounts of electricity and water. Reilly described this expansion as a “brute force” approach driven by the global competition to develop advanced AI systems.
Yet the demand for computing power continues to accelerate.
Artificial intelligence, advanced robotics, healthcare research, pharmaceuticals and cybersecurity all require far more processing capacity than today’s systems can easily deliver.
The question now facing the technology sector is whether traditional computing can keep up.
Enter quantum computing
That is where quantum computing enters the conversation.
Unlike conventional computers, which process information using binary switches that represent ones and zeros, quantum computers exploit the unusual behaviour of particles at the atomic scale.
Reilly describes them as a fundamentally different type of machine.
“So a quantum computer is a wave computer,” he said.
Instead of processing information through simple on-off switches, quantum systems can use wave-like properties of particles to process many possible outcomes simultaneously.
Those waves can interact in complex ways, reinforcing correct solutions while cancelling out incorrect ones. In theory, this allows quantum systems to tackle certain types of problems dramatically faster than classical computers.
What it could mean for finance
The concept may sound abstract, but its potential applications are significant.
Quantum computers are expected to transform areas such as materials science, chemical modelling and pharmaceutical development.
They could also help solve complex optimisation problems in logistics, finance and risk management.
For financial institutions in particular, the technology could offer new tools for detecting fraud, analysing market behaviour and optimising portfolios.
But the shift will not happen overnight.
“One message to take away is that quantum is not going to suddenly solve all of your problems,” Reilly said.
Instead, he said quantum systems will likely complement existing computing technologies as part of a broader and more diverse computing ecosystem.
Why data centres may soon “go cold”
One key change already emerging is how computing systems are physically designed.
Many next-generation technologies, including quantum processors, operate far more efficiently at extremely low temperatures. As a result, future data centres may rely heavily on cryogenic cooling systems to manage heat and energy consumption.
Reilly believes that the shift will gradually reshape the computing industry.
“Over the next five years, you’re going to see data centres go cold,” he said.
“And as that happens, they almost drag with them new compute paradigms.”
Emergence Quantum, the company he co-founded, is focused on developing technologies to support that transition, including cryogenic electronics and integrated hardware platforms designed for quantum computing and energy-efficient systems.
A new technological era
For investors and businesses, the technology remains in its early stages. But the scale of global interest is growing rapidly.
Governments, research institutions and technology companies are investing heavily in quantum research, betting it could become a foundational technology for the next generation of computing.
For Reilly, the moment feels similar to earlier technological turning points.
In the 19th century, new discoveries in thermodynamics helped drive the development of steam engines and the Industrial Revolution. In the 20th century, advances in electromagnetism led to radio, television and eventually the internet.
Quantum physics, he suggests, could represent the next chapter in that story.
“Today we have, as a society, in our hands new physics that we’re just beginning to figure out what to do with,” Reilly said.
“But I think it’s an exciting time to be alive and watch what happens over the coming decades.”
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The ASX 200 rose 1.28 per cent in the week ending 30 October as miners rallied, consumer stocks fell and rate-rise expectations climbed
6 min
The Australian sharemarket rose during four of five sessions in the week ending 30 October, but the headline gain concealed a sharp divide between recovering miners, rate-sensitive property stocks and retailers hit by inflation and weaker trading updates.
The Australian sharemarket finished October with a positive week, although the route higher was anything but uniform.
The S&P/ASX 200 closed Friday 30 October at 8,908.1, gaining 112.9 points, or 1.28 per cent, from the previous Friday’s close of 8,795.2.
The All Ordinaries advanced 1.34 per cent to 9,025, while the more concentrated S&P/ASX 20 gained 1.11 per cent.
The benchmark rose during four of the week’s five sessions. It added 0.17 per cent on Monday and 0.46 per cent on Tuesday, before slipping 0.03 per cent on Wednesday. It recovered 0.50 per cent on Thursday and gained another 0.18 per cent on Friday.
The index briefly reached 8,933.3 but again failed to establish itself above the psychologically important 9,000-point mark.
The week’s central tension was between a resources recovery and a less forgiving domestic interest-rate outlook.
Materials gained 4.06 per cent, reclaiming part of the previous week’s heavy fall. Australian real estate investment trusts rose 3.77 per cent, financials gained 1.05 per cent and energy advanced 1.39 per cent.
At the other end of the market, consumer staples fell 5.13 per cent and consumer discretionary shares lost 2.35 per cent. Utilities declined 0.73 per cent and communication services eased 0.68 per cent.
Inflation changes the conversation
Australia’s September inflation data was the week’s pivotal domestic release.
Annual inflation of 4.3 per cent pushed market pricing towards another possible Reserve Bank increase and disrupted Wednesday’s early sharemarket rally.
By Thursday’s close, one widely followed market measure placed the probability of an increase in the cash rate to 4.85 per cent at approximately 80 per cent.
That pricing does not make an increase certain. It does, however, change the framework through which investors assess Australian businesses.
Companies dependent on discretionary household spending face renewed pressure on sales and margins. Property trusts, banks, developers and highly leveraged companies must be considered against the prospect of higher funding costs.
Banks present a more complicated equation. Higher rates can support margins, but they may also slow credit growth and increase arrears.
Miners recover
BHP gained 4.56 per cent across the week to close at $57.56, making a substantial contribution to the benchmark’s rise.
The recovery followed an 8.3 per cent fall during the previous week and helped lift the broader materials sector.
Northern Star Resources added 4.59 per cent, while Goodman Group advanced 6.85 per cent to become the strongest performer in the ASX 20.
The commodities picture was mixed. Gold fell approximately 3.12 per cent on the cited weekly measure, while Brent crude added around 0.68 per cent.
The Australian dollar was little changed at approximately US70.35 cents at the reference point.
Supermarkets and consumer shares retreat
The consumer-staples story was markedly weaker.
Coles fell 11.77 per cent after its first-quarter update, making it one of the largest significant-company declines of the week.
Woolworths lost 3.66 per cent and Wesfarmers fell 4.48 per cent to $76.69 as investors processed company trading commentary against the prospect of another squeeze on household demand.
The moves illustrate how quickly expectations can change when an apparently defensive company disappoints.
Supermarkets still benefit from the recurring need for groceries, but customers can trade down, shift between chains and reduce spending on higher-margin discretionary lines.
Wesfarmers carries exposure to several consumer categories through businesses including Bunnings, Kmart and Officeworks. A renewed rate increase would place more pressure on households already confronting higher prices.
The wider market’s biggest movements
Among companies outside the ASX 20, Mesoblast surged 27.32 per cent, SiteMinder gained 22.74 per cent and Zip rose 22.60 per cent.
The sharpest weekly falls included 4DMedical, down 33.51 per cent; Tuas, down 29.95 per cent; Catalyst Metals, down 17.47 per cent; and Champion Iron, down 13.35 per cent.
Those percentages require context.
The movements in BHP, Commonwealth Bank and other very large companies had substantially more influence on the index than similarly dramatic changes among smaller companies.
A 20 per cent move in a relatively small stock may attract more attention than a two per cent rise in a major bank, but the bank can have the greater effect on the market.
How the ASX 20 moved
The following list uses the S&P/ASX 20 constituents and five-session movements reported at the 30 October close.
Where the component feed did not publish a valid five-day comparison, no figure has been estimated.
BHP Group: Up 4.56 per cent
Commonwealth Bank: Up 1.66 per cent
Rio Tinto: Down 2.20 per cent
National Australia Bank: Up 0.48 per cent
Westpac: Up 0.08 per cent
ANZ Group: Up 1.92 per cent
CSL: Up 2.05 per cent
Macquarie Group: Up 2.19 per cent
Wesfarmers: Down 4.48 per cent
Woodside Energy: Up 1.43 per cent
Goodman Group: Up 6.85 per cent
Telstra: Five-day comparison unavailable from the cited component feed
Woolworths: Down 3.66 per cent
Fortescue: Five-day comparison unavailable from the cited component feed
Transurban: Down 2.40 per cent
QBE Insurance: Down 1.21 per cent
Aristocrat Leisure: Up 0.63 per cent
Northern Star Resources: Up 4.59 per cent
Sigma Healthcare: Down 0.36 per cent
Brambles: Down 1.20 per cent
The companies dominating the conversation
Coles was the week’s standout media-facing company for the wrong reason.
Its trading update produced an outsized repricing and drew attention across the grocery and retail sectors. Woolworths and Wesfarmers were also scrutinised as investors considered how stubborn inflation and another possible rate rise could affect sales volumes.
Bank of Queensland offered a more positive corporate signal.
The bank reported that its FY26 net interest margin had risen six basis points to 1.70 per cent, ahead of the 1.68 per cent expected by the market according to contemporaneous reporting.
Bank of Queensland shares rose 5.8 per cent on Thursday, while the major banks also rallied.
Endeavour Group finished Friday at $3.39, up 4.31 per cent on the day, and released the results of its annual general meeting.
The movement was notable during a week in which investors were highly sensitive to consumer-facing companies. The AGM result should not, however, be presented as the sole cause of the share-price increase without further supporting company guidance.
Mesoblast’s 23.4 per cent Thursday rise and 27.32 per cent weekly gain returned the biotechnology company to the centre of market attention.
For editors, it is important to separate the size of that percentage movement from its influence on the index. Mesoblast was an eye-catching performer, but it did not drive the ASX 200 in the way BHP or Commonwealth Bank did.
Qantas remained part of the broader market conversation as investors watched travel demand and company updates.
However, the primary-source review did not locate a fresh Qantas announcement that justified attributing a major weekly market movement to new company information. The airline should therefore remain on the monitoring list rather than being forced into the week’s causal narrative.
Is Australia’s IPO market reopening?
The official ASX new-listings pipeline remains active but selective.
ASX’s upcoming-floats page included formal applications with offer timetables extending through October and at least one anticipated listing on 30 November.
The exchange notes that its page covers companies for which a formal listing application has been received. It does not represent every company privately exploring a float.
The wider debate concerns whether Australia’s public market is sufficiently competitive when high-growth businesses can pursue capital in the United States or remain privately funded for longer.
ASX has previously raised possible reforms designed to improve the attractiveness of the local market. These include debate about reducing minimum free-float requirements and streamlining aspects of the admissions process.
An enhanced fast-track pathway for qualifying applicants can shorten the review process, reducing the execution risk created when market conditions change during a long IPO timetable.
That does not remove the more fundamental challenge.
New floats still require credible earnings or a convincing growth pathway, sensible pricing and enough genuine free float to support trading after listing.
Investors can already obtain diversified exposure through low-cost exchange-traded funds or buy established, liquid businesses. A float must therefore offer more than novelty.
The current pipeline suggests that the IPO window is open, but it is not indiscriminate.
What investors will watch next
The Reserve Bank’s next decision now sits at the centre of the domestic outlook.
Any change in cash-rate expectations will flow rapidly through banks, retailers, property trusts, listed developers and companies carrying substantial debt.
Investors will also watch whether the materials recovery can continue, whether BHP can hold its rebound and whether consumer companies provide further evidence of slowing demand.
Overseas, technology-sector volatility, commodity prices and the United States interest-rate outlook will continue to shape Australian trading.
The week’s 1.28 per cent headline gain was encouraging, but it was not a broad declaration of confidence.
It was a rotation towards miners, selected financials and property securities—and away from consumer businesses facing a more difficult inflation and interest-rate equation.
Market dashboard
S&P/ASX 200: 8,908.1, up 1.28 per cent for the week
All Ordinaries: 9,025, up 1.34 per cent
S&P/ASX 20: 5,214.7, up 1.11 per cent over five sessions
Best sector: Materials, up 4.06 per cent
Next-best sector: A-REITs, up 3.77 per cent
Weakest sector: Consumer staples, down 5.13 per cent
Major large-cap winner: Goodman Group, up 6.85 per cent
Major large-cap loser: Coles, down 11.77 per cent
AUD/USD: Approximately US70.35 cents at the weekly reference point
Gold: Approximately US$3,885 an ounce, down 3.12 per cent on the cited weekly measure
Brent crude: Approximately US$117.70 a barrel, up 0.68 per cent on the cited weekly measure
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