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The Messy Birth of Modern Miracles

by Henk Myburgh, CFA
November 5, 2026
PYXIS 2026 November
Investment Management · Monthly Investment Letter
Markets · AI & Infrastructure  |  6 min read

The Messy Birthof Modern Miracles

By Henk Myburgh, CFA
History shows us that major infrastructure booms are almost always accompanied by market volatility, but the structural foundations they build permanently reshape the global economy.

Today, we are witnessing one of the largest infrastructure deployments in human history: the artificial intelligence and data centre buildout.

As an investor, understanding the difference between a purely financial bubble and a transformational infrastructure boom is the key to tuning out short-term market noise and capturing long-term wealth.

When markets get excited about an asset class, valuations go up. But what happens after the excitement cools down?

Purely Financial:
These are fuelled strictly by cheap credit, financial engineering, or pure speculation. When they pop, they leave behind bad debts and broken systems, but no productive assets. Think of the 2008 Subprime Mortgage crisis or the 1630s Tulip Mania.
Transformational:
These are typically driven by the arrival of a new technology. Investors initially over-estimate how fast companies will make a profit (see Investment decisions in a changing world – Pyxis Investment Management), leading to a volatile stock correction. However, the immense capital spent forces the rapid rollout of permanent physical infrastructure that serves as the foundation for future economic growth.

Here is one example of each (comprehensive list in the Annexure):

Historical Event
Dot-Com Boom (2000)
The Speculative Hype
Early internet start-ups with zero revenue achieved multi-billion dollar valuations before crashing.
The Lasting Economic Transformation
The fibre-optic cables remained. The massive capital spend laid the literal groundwork for high-speed broadband, giving rise to giants like Google and Amazon.
Historical Event
U.S. Housing Crash (2008)
The Speculative Hype
Toxic debt, subprime mortgages, and complex financial derivatives created an illusion of stable wealth.
The Lasting Economic Transformation
No new technology was born. The driver was purely financial leverage, leaving behind a damaged global banking system that took nearly a decade to recover.

To visualise how these cycles play out, we can map historical exuberance based on whether they left behind a permanent economic engine or simply a financial cleanup. Type: Financial (Red) vs. Transformational (Green).

Financial vs Transformational exuberance: market bubbles plotted from 1630 to 2030, financial in red and transformational in green.

The current Artificial Intelligence (AI) boom is at its core transformational, not purely financial, because it is backed by unprecedented capital expenditure from some of the world's cash-richest companies that is needed by the technology.

They are not buying speculative ideas; they are buying physical silicon, real estate, and power grid capacity.

Within your portfolio, we have deliberately positioned your capital to participate in this generational buildout through two distinct pillars:

     
1
The Infrastructure Enablers (for example Nvidia and Cisco):
Nvidia designs and provides the specialised graphics processing units (GPUs) that power artificial intelligence. Companies like these are the direct, immediate beneficiaries of the capital being invested into data centres globally.
     
     
2
The Digital Landlords & Operators (for example Alphabet and Amazon):
These companies are the ultimate owners of the new infrastructure. They build and operate the massive data centres, renting out computational space (compute) to thousands of other businesses via the cloud, while simultaneously embedding AI services into their own highly profitable core businesses.
     
The Bottom Line for Investors

If history is our guide, the journey of any transformational technology is rarely a straight line. There will be quarters where the market worries that companies are spending too much money too quickly, and we should expect healthy, normal market corrections along the way.

However, just like the overbuilt railways of the 19th century and the fibre-optic cables of the 2000s, the massive data centres being built today are permanent assets that we expect to drive global GDP for decades to come.

By allocating a measured portion of offshore capital to some cash-flow-positive companies at reasonable valuations anchored at the very centre of this infrastructure, your portfolio is built to withstand the short-term volatility and capture the long-term compounding rewards.

As always, we remain focused on the horizons, while the structural foundations of the future are being laid.
Annexure:
Major Historical Market Bubbles: Financial vs. Transformational
Tulip Mania (1636–1637) Financial Bubble
Speculative Contract Trading: Obsession with rare tulip bulbs led to an early futures market where contracts changed hands rapidly.
It was a localised luxury asset craze. The crash had minimal long-term impact on the Dutch economy or global infrastructure.
South Sea Bubble (1720) Financial Bubble
Monetary Engineering & Monopoly Debt: The South Sea Company was granted a monopoly on South American trade in exchange for underwriting British government debt, driven by insider manipulation.
It resulted in severe financial fraud laws (the Bubble Act) but did not create any new economic sectors or physical infrastructure.
Mississippi Bubble (1720) Financial Bubble
Paper Money Over-Expansion: John Law’s scheme in France tied the valuation of French colonial assets in North America to massive, unbacked paper currency issuance.
It led to total hyperinflation and a deep distrust of paper currency and banking institutions in France for decades.
Railway Mania (1840s) Transformational
Industrial Infrastructure Boom: The British public became obsessed with the revolutionary technology of steam railways, leading to massive over-investment.
Despite investors losing fortunes, thousands of miles of physical track remained, permanently lowering transport costs and creating the modern industrial economy.
The Roaring Twenties / Wall Street Crash (1929) Transformational
Margin Debt & Industrialisation: Mass adoption of consumer goods (cars, radios, electricity) fuelled by cheap bank credit and high-leverage retail stock buying.
While heavily financialised, it cemented the transition into the modern mass-consumer, industrialised era and forced the creation of modern financial regulations (SEC).
Gold Rush Bubble (1970s) Financial / Monetary Bubble
Monetary System Shock & Inflation: The dismantling of the Bretton Woods system (taking the US dollar off the gold standard) combined with high inflation and oil shocks sparked a massive speculative run into gold, peaking in 1980.
Gold is a static store of value, not a productive engine. It was simply a flight to safety that crashed once interest rates were raised aggressively to kill inflation.
Japan’s "Bubble Economy" (1986–1991) Financial Bubble
Monetary Easing & Real Estate Leverage: Following the 1985 Plaza Accord, Japan slashed interest rates, triggering an astronomical, debt-fuelled surge in real estate and stock prices.
The bubble was built entirely on corporate leverage and inflated land collateral. When it burst, it left behind trillions in bad bank loans, leading to Japan's "Lost Decades" of stagnation rather than economic transformation.
Dot-Com Bubble (1995–2000) Transformational
Internet Infrastructure & Tech Adoption: Speculation on early internet companies, where valuations were based on web traffic rather than profitability.
The capital crash was severe, but the over-investment funded thousands of miles of fibre-optic cables and birthed giants (Amazon, Google) that fundamentally re-engineered the global economy.
U.S. Housing Bubble (2007–2008) Financial Bubble
Subprime Lending & Financial Derivatives: Predatory lending, subprime mortgages, and complex financial engineering (MBS and CDOs) that masked toxic risk.
While it caused the Global Financial Crisis, the driver was debt structuring rather than a new productive technology. It left behind structural debt damage and a housing deficit rather than economic transformation.
Crypto / NFT Bubble (2021–2022) Primarily Financial
Zero-Interest Speculation: Extreme liquidity from pandemic stimulus and zero-interest rate policies (ZIRP) flowing into digital assets and non-fungible tokens.
While blockchain remains a niche technological development, the 2021 bubble was driven by speculative liquidity rather than widespread macro-economic utility or infrastructure deployment.
Pyxis Investment Management
This newsletter is prepared for clients of Pyxis Investment Management (Pty) Ltd. It does not constitute financial advice and is generated for information purposes only. Past performance is not indicative of future results. Pyxis Investment Management, an authorised Financial Services Provider, FSP no. 662.

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ABOUT THE AUTHOR:
Henk Myburgh, CFA®- Head of Research

After completing a BCom Econometrics and MSc in Quantitative Risk Management at the North-West University, Henk Myburgh (CFA), started his career in financial risk management at HSBC. He also worked at Sanlam Capital Markets, where his focus was on consolidation of financial risk across the firm and management of risk on a holistic basis. In 2018 he founded AlQuaTra, a quantitative private hedge fund.

 

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