CMI vs ROK
Cummins and Rockwell Automation, both Industrials
Cummins is the larger company at $99B against $53B. On trailing earnings CMI is the cheaper of the two at a P/E of 29.6 against 40.4, a gap that is only a bargain if the two are growing at similar rates. Over the past year CMI returned +54% against +33% for ROK. Ryufin's sector-relative Smart Score puts ROK ahead, 7/10 against 6/10.
| Figure | CMI | ROK |
|---|---|---|
| Last close | $578 | $432 |
| Market cap | $99B | $53B |
| Trailing P/Elower is cheaper for the same earnings, not automatically better | 29.6 | 40.4 |
| Dividend yield | 1.3% | 1.2% |
| 1-year return | +54% | +33% |
| 5-year return | +180% | +53% |
| Ryufin Smart Scoresector-relative, 1–10 | 6/10 | 7/10 |
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.
Cummins
Revenue of $9.5B in Q2 2026, net income $968M. Its largest reported line is DBU Power Generation, 15% of the disclosed total.
Rockwell Automation
Revenue of $2.3B in Q3 2026, net income $408M. Its largest reported line is US, 56% of the disclosed total.
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