APH vs CLS

Amphenol and Celestica Inc., both Technology

Amphenol is the larger company at $202B against $43B. On trailing earnings CLS is the cheaper of the two at a P/E of 37.2 against 40.4, a gap that is only a bargain if the two are growing at similar rates. Over the past year CLS returned +53% against +48% for APH. Ryufin's sector-relative Smart Score puts APH ahead, 9/10 against 8/10.

Amphenol and Celestica Inc.compared on valuation, return and Ryufin’s Smart Score
FigureAPHCLS
Last close$161$308
Market cap$202B$43B
Trailing P/Elower is cheaper for the same earnings, not automatically better40.437.2
Dividend yield0.5%n/a
1-year return+48%+53%
5-year return+366%+3348%
Ryufin Smart Scoresector-relative, 1–109/108/10

Figures from SEC filings and end-of-day closes. Highlighting marks the higher or lower number, which is not the same as the better investment, a low P/E can be a warning and a high one can be deserved.

Amphenol

Revenue of $8.8B in Q2 2026, net income $1.8B. Its largest reported line is Communications Solutions, 59% of the disclosed total.

Celestica Inc.

Revenue of $4.0B in Q1 2026, net income $212M. Its largest reported line is CCS, 75% of the disclosed total.

Open these two in the interactive comparison to add more names, change the period or read the correlation.