Celestica vs Amphenol: Which Stock Could Rally?

CLS: Celestica logo
CLS
Celestica

Celestica surged 9.8% during the past Day. You may be tempted to buy more, or may want to reduce your exposure. But there is an entirely different perspective you might be missing. Is there a better alternative? Turns out, its peer Amphenol gives you more. Amphenol (APH) stock offers superior revenue growth across key periods, better profitability, and relatively lower valuation vs Celestica (CLS) stock, suggesting you may be better off investing in APH

  • APH’s quarterly revenue growth was 58.4%, vs. CLS’s 52.8%.
  • In addition, its Last 12 Months revenue growth came in at 54.4%, ahead of CLS’s 36.7%.
  • APH leads on profitability over both periods – LTM margin of 26.5% and 3-year average of 23.1%.

These differences become even clearer when you look at the financials side by side. The table highlights how CLS’s fundamentals stack up against those of APH on growth, margins, momentum, and valuation multiples.

Trefis: CLS Stock Insights

Valuation & Performance Overview

  CLS APH Preferred
     
Valuation      
P/EBIT Ratio 36.7 26.7 APH
     
Revenue Growth      
Last Quarter 52.8% 58.4% APH
Last 12 Months 36.7% 54.4% APH
Last 3 Year Average 22.9% 28.9% APH
     
Operating Margins      
Last 12 Months 8.7% 26.5% APH
Last 3 Year Average 6.6% 23.1% APH
     
Momentum      
Last 3 Year Return 2899.1% 298.3% CLS

Note: For “Last 3 Year Return” metric, preferred stock is one with higher returns unless the returns are too high (>300%) which creates risk of sell off.

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See detailed fundamentals on Buy or Sell APH Stock and Buy or Sell CLS Stock. Below we compare market return and related metrics across years.

Historical Market Performance

  2021 2022 2023 2024 2025 2026 Total [1] Avg Best
Returns
CLS Return 38% 1% 160% 215% 220% 19% 4250%   <===
APH Return 35% -12% 32% 41% 96% 9% 374%    
S&P 500 Return 27% -19% 24% 23% 16% 10% 101%    
Monthly Win Rates [3]
CLS Win Rate 67% 50% 67% 75% 58% 40%   59%  
APH Win Rate 75% 25% 58% 75% 75% 80%   65% <===
S&P 500 Win Rate 75% 42% 67% 75% 67% 60%   64%  
Max Drawdowns [4]
CLS Max Drawdown -24% -36% -22% -35% -54% -28%   -33%  
APH Max Drawdown -12% -28% -11% -17% -25% -28%   -20%  
S&P 500 Max Drawdown -5% -25% -10% -8% -19% -9%   -13% <===

[1] Cumulative total returns since the beginning of 2021
[2] 2026 data is for the year up to 5/29/2026 (YTD)
[3] Win Rate = % of calendar months in which monthly returns were positive
[4] Max drawdown represents maximum peak-to-trough decline within a year

No matter how good the numbers, stock investment is never a smooth ride. There is a risk you must factor in. Read APH Dip Buyer Analyses and CLS Dip Buyer Analyses to see how these stocks have fallen and recovered in the past.

Still not sure about CLS or APH? Consider portfolio approach.

Smart Investing Begins With Portfolios

Individual stocks can soar or tank, but one thing matters: staying invested. The right portfolio can help you stay invested, capture upside, and mitigate the downside associated with any individual stock.

The Trefis High Quality (HQ) Portfolio, with a collection of 30 stocks, has a track record of comfortably outperforming its benchmark that includes all 3 – the S&P 500, S&P mid-cap, and Russell 2000 indices. Why is that? HQ Portfolio has posted more than 105% in cumulative return since inception, with less risk versus the benchmark index, as evident in HQ Portfolio performance metrics.