APH vs GLW

Amphenol and Corning Inc., both Technology

Amphenol is the larger company at $202B against $168B. On trailing earnings APH is the cheaper of the two at a P/E of 40.4 against 73.5, a gap that is only a bargain if the two are growing at similar rates. Over the past year GLW returned +143% against +48% for APH. Ryufin's sector-relative Smart Score puts APH ahead, 9/10 against 8/10.

Amphenol and Corning Inc.compared on valuation, return and Ryufin’s Smart Score
FigureAPHGLW
Last close$161$154
Market cap$202B$168B
Trailing P/Elower is cheaper for the same earnings, not automatically better40.473.5
Dividend yield0.5%0.7%
1-year return+48%+143%
5-year return+366%+317%
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.

Corning Inc.

Revenue of $4.1B in Q1 2026, net income $371M. Its largest reported line is Optical Communications Products, 45% of the disclosed total.

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