Flex vs. Celestica: Which AI Infrastructure Stock is the Better Buy?
Flex Ltd. and Celestica Inc. are benefiting from AI infrastructure demand. Flex reported Q1 2027 revenue growth of 21% YoY to $7.9B, with CPI revenue up 35%. Celestica saw Q2 2026 revenue rise 62% YoY to $4.7B, driven by AI/ML compute and networking programs. Both companies raised revenue guidance. Flex faces near-term investment pressures, while Celestica deals with supply-chain constraints.
How this was made
The 30-second read
Why it matters
Both firms report higher revenue and earnings guidance, but face near‑term investment and supply‑chain challenges that could affect stock performance.
Market read
Guidance upgrades suggest continued sector tailwinds for AI infrastructure, yet execution risks temper the bullish narrative.
What to watch
Potential impact of macro‑economic slowdown on capital‑expenditure budgets for data‑center customers.
Background
The article compares Flex Ltd. and Celestica, focusing on their recent guidance lifts and AI‑infrastructure growth opportunities.
Ticker impact
Flex Ltd. raised its FY2027 revenue guidance and reported 35% CPI revenue growth, indicating fresh guidance numbers.
Modest upside bias over the next quarters if revenue targets are achieved.
Guidance lift is new but modest; execution risk remains high.
Celestica lifted its 2026 revenue outlook to $20.5 B and raised adjusted EPS guidance to $11.30, providing fresh guidance data.
Slight upside potential if demand materializes and supply issues ease.
Guidance is new but the article is a comparative piece without a clear catalyst.
Market effects
Highlights continued growth in AI infrastructure and data‑center supply chain demand.
Both companies are US‑listed, affecting North American tech manufacturing exposure.
Reinforces broader AI‑infrastructure investment trends worldwide.
Counterpoint
Guidance upgrades may already be priced in; execution risk and supply constraints could limit upside.
Key entities
- CompanyFlex Ltd.
Electronics manufacturing services provider expanding AI infrastructure capabilities.
- CompanyCelestica Inc.
Global provider of design and manufacturing services for AI and data‑center hardware.
