Table of Contents

Market Context
What Happened
Why It Matters
Sector Breakdown
Risks to Watch
What to Watch Next
Final Outlook

Market Context

The Canadian growth stock landscape in May 2026 is shaped by a single dominant structural theme: artificial intelligence infrastructure demand, and the extraordinary advantage it has conferred on companies that sit directly in the supply chain. Celestica Inc. (TSX: CLS) has emerged as the most financially validated Canadian beneficiary of this trend, with its fiscal 2025 results showing revenue of US$12.4 billion — a 28% increase from the prior year — and net income of US$832.5 million, up 95% year-over-year. These are not projections or narratives; they are reported numbers that have been independently verified and which exceeded analyst expectations on both the top and bottom lines.

The TSX technology and growth sub-sectors have had a turbulent path in 2026. The early-year escalation in the Middle East drove a broad risk-off rotation that punished high-multiple equities disproportionately. But the recovery since April — and particularly the momentum of the past four sessions that carried the TSX to a record 34,831 on Monday — has been led in large part by the quality end of the growth spectrum. Companies that demonstrated genuine earnings power and raised guidance, rather than simply benefiting from multiple expansion, have led the rebound.

The backdrop is also supported by the Bank of Canada’s rate posture: with the policy rate held at 2.25% and all 28 Bank of Canada survey respondents expecting it to remain there through December 2026, the discount rate environment for growth stock valuations is considerably more stable than it was during the period of rapid rate hikes. That stability matters for investors trying to model the present value of future earnings streams.

What Happened

Celestica rose on the TSX on Monday as U.S. markets closed for Memorial Day, shifting the primary venue for North American price discovery to the Toronto Stock Exchange. Celestica was trading at approximately CA$523.17, with a day range of CA$513.00 to CA$523.33. The stock’s 52-week range spans from CA$152.56 to CA$591.25 — an extraordinary range that captures both the depth of the early-year correction and the scope of the AI-driven recovery.

The company had reported Q1 2026 results with revenue of US$4.05 billion — a 53% year-over-year increase — adjusted EPS of US$2.16, and had raised its full-year 2026 revenue outlook to approximately US$19.0 billion, with adjusted EPS guidance as high as US$10.15. Growth has been especially strong in the CCS segment, where revenue surged 76% to US$3.24 billion, driven by server, storage, and networking demand from cloud and hyperscaler customers. Management described the quarter as a “strong performance,” pointing to accelerating demand from exactly the customers that are building the infrastructure on which AI systems run.

Celestica’s average 12-month consensus price target stands at approximately CA$659.81, with a high estimate of approximately CA$781.36 — suggesting meaningful upside from the current CA$523 level in the analyst community’s base case. Revenue is forecast to grow 25% per annum on average over the next three years.

Why It Matters

Why the CCS segment is the key metric to watch

Celestica’s CCS (Connectivity & Cloud Solutions) segment is the company’s highest-growth and highest-profile business unit. Revenue in CCS surged 76% year-over-year in Q1 2026, driven by the hyperscaler customers — Amazon Web Services, Microsoft Azure, Google Cloud, and similar — who are spending at record levels on AI data centre infrastructure. For investors assessing Celestica’s fundamental story, CCS revenue trajectory is the single most important indicator of whether the growth cycle is accelerating or plateauing. The 76% rate in Q1 is extraordinary; even a deceleration to 30–40% would represent a powerful secular growth story.

The Hardware Platform Solutions contribution

Less discussed but equally important is Celestica’s Hardware Platform Solutions unit, which posted a 63% increase in revenue year-over-year in Q1. This segment’s performance illustrates that Celestica’s AI infrastructure exposure is not concentrated in a single product category — it spans servers, storage, networking, and now its own switch hardware (the DS6000-series 1.6TbE switches, now available for initial customer orders), providing a more diversified and defensible revenue base than pure assembly competitors.

Sector Breakdown

Beyond Celestica, the TSX growth landscape is anchored by Shopify (TSX: SHOP) — which reported annual revenue exceeding US$378 billion in gross merchandise volume for 2025, a 30% increase year-over-year — and Constellation Software (TSX: CSU), whose vertical market software acquisition model continues to compound at rates that have made it one of Canada’s most respected long-term compounders. Lightspeed Commerce (TSX: LSPD) is navigating its own growth push with expanded AI vision, while Kinaxis (TSX: KXS) has drawn attention for its AI-enhanced supply chain management platform. The breadth of the TSX’s growth sector coverage — spanning AI infrastructure hardware, e-commerce platforms, vertical market software, and supply chain analytics — provides investors with multiple entry points at different risk-return profiles.

Risks to Watch

Celestica’s primary risk is execution: the company must continue winning new hyperscaler programs, managing supply constraints around custom silicon and memory, and delivering on its US$19.0 billion revenue guidance without margin compression. The stock’s share price has increased 181% per year on average over the past three years, which tracks significantly ahead of earnings growth — a dynamic that creates vulnerability if any quarterly result falls short of the elevated expectations embedded in the current multiple. The non-cash earnings accrual ratio of approximately 20% is a watch item flagged by analysts, as high non-cash earnings can mask underlying cash generation differences. Interest rate risk — while currently stable — remains a latent threat to high-multiple growth valuations if the Bank of Canada is forced to move rates higher.

What to Watch Next

Celestica’s next earnings report is estimated for July 27, 2026. Between now and then, investors should watch hyperscaler capital expenditure announcements from Amazon, Microsoft, and Google for any signals about the pace of AI data centre build-out. Nvidia’s guidance and order book — which directly feeds into demand for Celestica’s hardware assembly and networking products — is the most important upstream indicator. For Shopify, any Q2 2026 guidance commentary or merchant count updates will be closely monitored. For the sector broadly, the TSX’s ability to hold above its new record high as U.S. markets reopen will set the tone for growth stock positioning in the near term.

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Final Outlook

Canadian growth stocks in late May 2026 offer a genuinely compelling fundamental picture at the quality end of the market. Celestica’s revenue and earnings growth rates are among the most impressive reported by any TSX-listed company in recent memory, and the AI infrastructure demand cycle that drives them shows no signs of near-term exhaustion. The Memorial Day session provided a microcosm of why Celestica has become the TSX’s most-watched growth name — in a session where U.S. markets were absent, it was the name Canadian investors turned to for growth exposure.

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The risks are real: elevated multiples, execution dependency, and supply chain complexity all merit ongoing scrutiny. But investors who assess these risks within the context of a company that has consistently raised guidance, beaten estimates, and served the world’s most capital-intensive infrastructure build-out may find the risk-reward more balanced than the headline valuation alone would suggest.