Cummins Inc (CMI)vsProto Labs Inc (PRLB)
CMI
Cummins Inc
$671.01
+5.02%
INDUSTRIALS · Cap: $88.34B
PRLB
Proto Labs Inc
$64.81
+4.10%
INDUSTRIALS · Cap: $1.48B
Smart Verdict
WallStSmart Research — data-driven comparison
Cummins Inc generates 6216% more annual revenue ($33.67B vs $533.13M). CMI leads profitability with a 8.4% profit margin vs 4.0%. PRLB appears more attractively valued with a PEG of 0.86. CMI earns a higher WallStSmart Score of 59/100 (C).
CMI
Buy59
out of 100
Grade: C
PRLB
Hold49
out of 100
Grade: D+
Intrinsic Value Comparison
Multi-model valuation · Graham Formula
Margin of Safety
-61.7%
Fair Value
$370.38
Current Price
$671.01
$300.63 premium
Margin of Safety
+38.2%
Fair Value
$108.67
Current Price
$64.81
$43.86 discount
Key Strengths & Concerns
Side-by-side fundamental analysis
Key Strengths
Large-cap with strong market position
Every $100 of equity generates 24 in profit
Earnings expanding 41.4% YoY
Growing faster than its price suggests
Reasonable price relative to book value
Areas to Watch
Expensive relative to growth rate
Premium valuation, high expectations priced in
1.1% revenue growth
4.2% earnings growth
Smaller company, higher risk/reward
ROE of 3.2% — below average capital efficiency
4.0% margin — thin
Comparative Analysis Report
WallStSmart ResearchBull Case : CMI
The strongest argument for CMI centers on Market Cap, Return on Equity, EPS Growth.
Bull Case : PRLB
The strongest argument for PRLB centers on PEG Ratio, Price/Book. Revenue growth of 12.1% demonstrates continued momentum. PEG of 0.86 suggests the stock is reasonably priced for its growth.
Bear Case : CMI
The primary concerns for CMI are PEG Ratio, P/E Ratio, Revenue Growth.
Bear Case : PRLB
The primary concerns for PRLB are EPS Growth, Market Cap, Return on Equity. A P/E of 70.8x leaves little room for execution misses. Thin 4.0% margins leave little buffer for downturns.
Key Dynamics to Monitor
PRLB carries more volatility with a beta of 1.31 — expect wider price swings.
PRLB is growing revenue faster at 12.1% — sustainability is the question.
CMI generates stronger free cash flow (990M), providing more financial flexibility.
Monitor SPECIALTY INDUSTRIAL MACHINERY industry trends, competitive dynamics, and regulatory changes.
Bottom Line
CMI scores higher overall (59/100 vs 49/100). PRLB offers better value entry with a 38.2% margin of safety. Both earn "Buy" and "Hold" ratings respectively — the choice depends on your investment horizon and risk tolerance.
This analysis is generated from publicly available financial data. Not financial advice.
Cummins Inc
INDUSTRIALS · SPECIALTY INDUSTRIAL MACHINERY · USA
Cummins is a Columbus, Indiana based multinational corporation that designs, manufactures, and distributes engines, filtration, and power generation products. Cummins also services engines and related equipment, including fuel systems, controls, air handling, filtration, emission control, electrical power generation systems, and trucks.
Proto Labs Inc
INDUSTRIALS · METAL FABRICATION · USA
Proto Labs, Inc., is an e-commerce-driven digital manufacturer of custom prototypes and on-demand production parts around the world. The company is headquartered in Maple Plain, Minnesota.
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