Aug 19, 2026
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Add us on Google“All great technology changes produce bubbles.” This quote came from Ray Dalio, an American author and billionaire investor who founded and sold the world’s largest hedge fund, Bridgewater Associates. Dalio made the statement during a Bloomberg interview in early June — and for weeks, it read as one more billionaire soundbite about a market that kept hitting records. But in mid-to-late July, the artificial intelligence (AI) began to crack.
That’s when the Philadelphia Semiconductor Index (NASDAQ: SOX), home to Nvidia (NASDAQ: NVDA), Broadcom (NASDAQ: AGVO)and Micron (TSX: MU.T), dropped more than 11% from its June high — its steepest weekly drop since April 2025. At the same time, nearly 60% of stocks in the S&P 500 Information Technology Index are down 20% or more from their recent highs.
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For Canadians with RRSP and TFSA holdings parked in S&P 500 index funds — such as the BMO S&P 500 ETF (TSX: ZSP) or Vanguard’s S&P 500 Index ETF (TSX: VFV) or the iShares Core S&P 500 Index ETF (TSX: XUS) — and investors contributing to the Canada Pension Plan (CPP), Dalio’s observation is not an abstract Wall Street story. It’s a warning regarding the impact of patterns, the danger of hype and the unintended over-concentration that can occur when markets follow trends.
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The question for Canadian investors right now is not whether Dalio is right in the abstract. It is how much AI-linked risk sits inside your portfolio — a portfolio that may look boring and broad on the surface.
What Dalio actually said about AI and bubbles
Speaking with Bloomberg’s Dani Burger at the Forbes Iconoclast Summit in New York City, Dalio explained why booms like this one tend to produce bubbles in the first place. Companies either overspend to protect market share or underspend and lose it, he said, calling the dynamic imprecise given the amount of competition.
To be clear, Dalio did not put a date on when an AI bubble might burst — bubbles, in his framing, get pricked rather than pop on a schedule. And that distinction matters for investors in late July 2026. While Dalio’s comment is now a few months old, what remains relevant is that market behaviour appears to be testing his assertion.
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Why Canadian portfolios are more exposed than you think
Canadians who assume their RRSP is diversified because it holds a broad U.S. index fund may be surprised by just how concentrated that index has become.
According to J.P. Morgan Asset Management, the top 10 stocks in the S&P 500 now make up 40.8% of the index’s weight, well above the 26.6% peak reached during the dot-com bubble.
To help investors understand this risk, consider this: Nearly every $4 of every $10 in a typical S&P 500 fund currently rides on just 10 companies — most of them tied to the AI trade. While this isn’t specific to Canadian holdings, since no equivalent breakdown exists for RRSP and TFSA holdings as a group, it is a close proxy for any investor that holds a basket of funds that follow mainstream U.S. index funds.
If you hold these funds inside a registered account, you cannot use the loss to reduce taxes owed — tax-loss harvesting — a key strategy for investors trying to minimize market loss and volatility.
Every retiree is exposed
Even if you don’t have an investment account with index and ETF funds focused on U.S. mainstream stock, you are still exposed.
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CPP Investments, which manages the Canada Pension Plan Fund on behalf of every working Canadian, ended fiscal 2026 with net assets of $793.3 billion and a 7.8% annual return. That return actually fell short of the fund’s own benchmark portfolio, which returned 13.2% for the same period, boosted by heavier exposure to large technology companies.
In other words, the fund’s more diversified approach cost it a few percentage points in the annual return, as it couldn’t capitalize on the surge in value from tech. Of course, this trade-off can just as easily turn the other way if AI trade continues to unwind even further.
3 questions to ask before you touch your portfolio
None of this means an AI bubble is guaranteed to burst — or an AI-prompted crash will happen at any particular time. It also does not mean that Canadian retirement savings are in immediate danger.
What Dalio’s comments should prompt is an examination of your own investment portfolio and holdings. Before rebalancing, ask:
- How much of my RRSP or TFSA is actually in U.S. tech, once I look past the fund name? Remember, a broad U.S. equity or S&P 500 fund can carry 30% or more in a handful of AI-linked names.
- Am I reacting to a market quote or my own asset mix when initiating a plan? Dalio’s warning is a prompt to check your numbers, not a signal to sell.
- What is my time horizon? Someone with decades to retirement is in a different position than someone drawing down a RRIF in the next 5 years, so plan accordingly.
Even if Dalio and other equity experts signal concern regarding the AI market, it doesn’t mean investors need to abandon U.S. tech or index investing. Over the last few decades, both the sector and the strategy have delivered strong returns for Canadian savers. Use these warnings as prompts to examine your portfolio mix and be mindful of unintentional over-concentration. In practice, a billionaire’s warning is only useful if you check it against your own statement, not just the headline.
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Romana King, Senior Editor at Money.ca, also writes for various North American publications and the RKHomeowner blog. Her book, House Poor No More, is an Amazon bestseller and five-time award winner, including the 2022 New York CPA Society's Excellence in Financial Journalism (EFJ) Book Award.
