GLW vs JBL

Corning Inc. and Jabil, both Technology

Corning Inc. is the larger company at $168B against $39B. On trailing earnings JBL is the cheaper of the two at a P/E of 38.9 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 +41% for JBL. Ryufin's sector-relative Smart Score puts GLW ahead, 8/10 against 7/10.

Corning Inc. and Jabilcompared on valuation, return and Ryufin’s Smart Score
FigureGLWJBL
Last close$154$311
Market cap$168B$39B
Trailing P/Elower is cheaper for the same earnings, not automatically better73.538.9
Dividend yield0.7%n/a
1-year return+143%+41%
5-year return+317%+431%
Ryufin Smart Scoresector-relative, 1–108/107/10

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.

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.

Jabil

Revenue of $8.8B in Q3 2026, net income $275M. Its largest reported line is Intelligent Infrastructure, 76% of the disclosed total.

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