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Record Numbers, Falling Stocks: What the AI Whipsaw Teaches About Momentum and Discipline

Jul 20, 2026

Chipmakers posted some of the best guidance in their history last week. Their stocks fell into a bear market anyway. Read that sentence twice, because it is momentum showing you both of its faces in a single week.

If you own technology through a US-heavy account, and most cross-border investors do, this is the kind of week that tests your discipline. So let us take the calm read.

What actually happened

The numbers were strong. Taiwan Semiconductor raised its full-year revenue growth outlook to above 40% and lifted its capital spending plan to a range of $60 to $64 billion. ASML, the company that makes the machines that make the most advanced chips, beat expectations and raised its guidance on healthy demand. And yet the stocks sold off anyway. By Friday the move accelerated. Nasdaq futures were down 1.9%, Japan’s market fell nearly 5%, China’s Shanghai Composite dropped more than 3%, and an industry gauge of chip stocks had slid roughly 20% from its record, the technical definition of a bear market.

Here is the detail most headlines skipped. On Thursday, even as the big index fell, the equal-weight S&P 500 rose nearly 1%. That is not a market falling apart. That is money rotating out of a handful of crowded names and into everything else.

The Monday wrinkle

This morning brought a small breather, with US futures pointing modestly higher after the down week. But the questions have not gone away. The Information reported that Oracle is facing multibillion-dollar cost overruns and delays at its AI data center projects, a reminder that building this infrastructure is harder and pricier than the excitement implies. At the same time, demand is clearly not disappearing. Alibaba launched a competitive new AI model, and Morgan Stanley is now designing the financing structures behind the whole buildout. The theme is intact. The question the market is finally asking is what it is worth to pay for it.

This is what momentum looks like up close

The trend is your friend, right up until everyone is leaning the same way. Momentum is the single most powerful factor in markets over time, but it runs in both directions, and a crowded momentum trade unwinds hard before it settles. The lesson is not that artificial intelligence is a bubble that just popped. It is that concentration, not the technology, is the risk. A broken clock is right twice a day. A disciplined process is right through the cycle.

The picks and shovels way to own it

In a gold rush, the people who reliably made money were often the ones selling picks and shovels, not the ones panning for gold. The AI equivalent is owning the infrastructure of the theme, the power, the memory, the networking, the plumbing, rather than crowding into the same few names everyone already holds. It keeps you exposed to a durable trend without betting the whole outcome on one crowded position.

Why cross-border investors felt this more

Most Canadians hold their technology exposure inside US-heavy registered accounts, an RRSP or a 401(k) tilted toward the big American names. That means two forces amplified this week for you at once: concentration in a few stocks, and the US dollar those stocks are priced in. A cross-border specialist can look at both together and ask the question that actually matters. Not how do I trade this week, but how much US tech concentration is sitting inside my accounts, and is that the right amount.

What to do when the crowd runs

  1. Do not confuse a sector unwind with a broken thesis. A 20% drawdown in one crowded corner of the market is a positioning event, not proof the story is over.
  2. Check your concentration. If a small group of US tech names drives most of your returns, that is a risk to size on purpose, not to discover in a selloff.
  3. Own the infrastructure, not just the stars. Picks and shovels exposure keeps you in the theme with less single-name risk.
  4. Remember the currency. Your US holdings are also a US-dollar position, so concentration and the exchange rate ride together in a cross-border account.

Crowded trades unwind fast, then they often stabilize, and the disciplined investor is the one still standing with a plan when they do. The question is never whether AI matters. It is whether your exposure to it is sized for the ride. Is yours?

Frequently asked questions

Did the AI trade crash in July 2026?

Not in the way the headlines suggest. Chip stocks fell sharply and an industry gauge slid about 20% from its high, but much of the rest of the market held up, and on the worst day the equal-weight S&P 500 actually rose. Analysts described it as a crowded trade unwinding, not a broad market collapse.

Why did chip stocks fall if the companies raised their guidance?

Because the concern was price, not earnings. After a very large run, investors began questioning whether the pace of AI spending can be justified, so even strong results were met with selling as money rotated into cheaper parts of the market.

Does the Oracle data center news mean AI demand is fading?

It points to the buildout being more expensive and complex than expected, not to demand disappearing. In the same stretch, new AI models launched and major financing deals were being structured, which suggests underlying demand remains strong.

Why did my US technology holdings feel this more than the broader market?

Because cross-border investors often hold concentrated US technology inside registered accounts, and those holdings are priced in US dollars. A few names driving your returns, combined with currency movement, can amplify both the ups and the downs.

What is a picks and shovels approach to AI?

It means owning the infrastructure behind the theme, such as power, memory, and networking, rather than crowding into the most popular end names. It keeps you exposed to the trend with less single-stock risk.

Sources: Raymond James, “the Open” (subscription client newsletter, no public URL) | Bloomberg https://www.bloomberg.com/news/articles/2026-07-16/stock-market-today-dow-s-p-live-updates | Seeking Alpha https://seekingalpha.com/news/4614094-ai-memory-chip-stocks-fall-again-after-brief-recovery-despite-strong-asml-results | CNBC https://www.cnbc.com/2026/07/06/stock-market-today-live-updates.html

The information provided by Sartorial Wealth Inc. is for informational purposes only and should not be considered financial, investment, tax, or legal advice.

About The Author

Shiraz Ahmed, CIM®

CEO, Portfolio Manager

Shiraz Ahmed is the CEO of Sartorial Wealth and a cross-border financial expert with over 20 years of experience, fully registered in both Canada and the US as a Portfolio Manager with the OSC and SEC. He specializes in coordinating comprehensive financial plans for individuals, families, and businesses navigating Canada/US border complexities, life transitions, and sudden wealth events. A 2022 IIAC Top Under 40 award winner, Shiraz has been featured in major outlets including The Globe and Mail, BNN Bloomberg, and CBC.

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