ASTE vs VMC vs CMI vs MLM vs CAT

For growth investors, Astec Industries, Inc.

(ASTE) is the stronger pick with 8. 1% revenue growth year-over-year, versus -1. 3% for Cummins Inc. (CMI). Astec Industries, Inc. (ASTE) offers the better valuation at 31. 5x trailing P/E (14. 9x forward), making it the more compelling value choice. Analysts rate Astec Industries, Inc. (ASTE) a "Buy" — based on 12 analyst ratings — the highest consensus in this comparison. The "better buy" depends entirely on your goals: growth investors should weight revenue trajectory, value investors should weight P/E and PEG, and income investors should weight dividend yield and streak.

On trailing P/E, Astec Industries, Inc.

(ASTE) is the cheapest at 31. 5x versus Caterpillar Inc. at 47. 6x. On forward P/E, Astec Industries, Inc. is actually cheaper at 14. 9x. The PEG ratio (P/E divided by earnings growth rate) is the most growth-adjusted single valuation metric: Caterpillar Inc. wins at 1. 32x versus Martin Marietta Materials, Inc. 's 2. 98x — a reasonable growth-adjusted valuation.

Over the past 5 years, Caterpillar Inc.

(CAT) delivered a total return of +282. 5%, compared to -20. 4% for Astec Industries, Inc. (ASTE). Over 10 years, the gap is even starker: CAT returned +1230% versus ASTE's +22. 9%. Past returns do not guarantee future results, and the stock with the higher historical return may already have its best growth priced in.

By beta (market sensitivity over 5 years), Vulcan Materials Company (VMC) is the lower-risk stock at 0.

81β versus Cummins Inc. 's 1. 62β — meaning CMI is approximately 100% more volatile than VMC relative to the S&P 500. On balance sheet safety, Astec Industries, Inc. (ASTE) carries a lower debt/equity ratio of 47% versus 2% for Caterpillar Inc. — giving it more financial flexibility in a downturn.

By revenue growth (latest reported year), Astec Industries, Inc.

(ASTE) is pulling ahead at 8. 1% versus -1. 3% for Cummins Inc. (CMI). On earnings-per-share growth, the picture is similar: Astec Industries, Inc. grew EPS 784. 2% year-over-year, compared to -42. 0% for Martin Marietta Materials, Inc.. Over a 3-year CAGR, CMI leads at 6. 2% annualised revenue growth. Higher growth typically commands a higher valuation multiple — check whether the premium P/E or P/S is justified by the growth rate using the PEG ratio.

Martin Marietta Materials, Inc.

(MLM) is the more profitable company, earning 17. 4% net margin versus 2. 8% for Astec Industries, Inc. — meaning it keeps 17. 4% of every revenue dollar as bottom-line profit. Operating margin tells a similar story: MLM leads at 23. 3% versus 4. 6% for ASTE. At the gross margin level — before operating expenses — CAT leads at 32. 3%, reflecting greater pricing power or product mix advantage. Stronger margins indicate durable pricing power, lower cost of revenue, or higher mix of software/services. They are one of the clearest signs of business quality.

The PEG ratio (forward P/E divided by expected earnings growth rate) is the most precise measure of undervaluation relative to growth potential.

By this metric, Caterpillar Inc. (CAT) is the more undervalued stock at a PEG of 1. 32x versus Martin Marietta Materials, Inc. 's 2. 98x. A PEG below 1. 5 suggests fair-to-attractive pricing relative to expected growth. On forward earnings alone, Astec Industries, Inc. (ASTE) trades at 14. 9x forward P/E versus 37. 0x for Caterpillar Inc. — 22. 1x cheaper on a one-year earnings basis. Analyst consensus price targets imply the most upside for MLM: 15. 4% to $692. 78.

All stocks in this comparison pay dividends.

Cummins Inc. (CMI) offers the highest yield at 1. 1%, versus 0. 5% for Martin Marietta Materials, Inc. (MLM).

For long-horizon retirement investors, Caterpillar Inc.

(CAT) is the stronger choice — it scores higher on the combination of lower volatility, dividend reliability, and long-term compounding (0. 7% yield, +1230% 10Y return). Astec Industries, Inc. (ASTE) carries a higher beta of 1. 52 — meaning larger drawdowns in market downturns, which matters significantly when you cannot wait years for a recovery. Both have compounded well over 10 years (CAT: +1230%, ASTE: +22. 9%), confirming both are viable long-term holds — but the lower-volatility option typically results in less emotional selling during corrections. Retirement portfolios generally favour predictability over maximum returns. Consult a financial advisor before making allocation decisions.

These companies operate in different sectors (ASTE (Industrials) and VMC (Basic Materials) and CMI (Industrials) and MLM (Basic Materials) and CAT (Industrials)), which means they face different economic cycles, regulatory environments, and macro sensitivities — making direct comparison nuanced.

These fundamental differences mean investors should not choose between them on a single metric — the "better stock" depends entirely on which of these characteristics aligns with your investment strategy.