WallStSmart

3M Company (MMM)vsRio Tinto ADR (RIO)

VS

Smart Verdict

WallStSmart Research — data-driven comparison

Rio Tinto ADR generates 130% more annual revenue ($57.64B vs $25.02B). RIO leads profitability with a 17.3% profit margin vs 11.1%. MMM appears more attractively valued with a PEG of 1.50. MMM earns a higher WallStSmart Score of 56/100 (C).

MMM

Buy

56

out of 100

Grade: C

Growth: 2.7Profit: 8.0Value: 4.7Quality: 5.5
Piotroski: 5/9Altman Z: 2.82

RIO

Buy

54

out of 100

Grade: C-

Growth: 4.0Profit: 8.0Value: 6.7Quality: 5.0
IV

Intrinsic Value Comparison

Multi-model valuation · Graham Formula

MMMSignificantly Overvalued (-31.5%)

Margin of Safety

-31.5%

Fair Value

$131.48

Current Price

$143.29

$11.81 premium

UndervaluedFair: $131.48Overvalued
RIOUndervalued (+33.7%)

Margin of Safety

+33.7%

Fair Value

$147.89

Current Price

$105.38

$42.51 discount

UndervaluedFair: $147.89Overvalued

Key Strengths & Concerns

Side-by-side fundamental analysis

Key Strengths

MMM3 strengths · Avg: 9.0/10
Return on EquityProfitability
71.5%10/10

Every $100 of equity generates 72 in profit

Market CapQuality
$74.98B9/10

Large-cap with strong market position

Operating MarginProfitability
23.3%8/10

Strong operational efficiency at 23.3%

RIO5 strengths · Avg: 8.2/10
Market CapQuality
$171.59B9/10

Large-cap with strong market position

P/E RatioValuation
17.3x8/10

Attractively priced relative to earnings

Price/BookValuation
2.8x8/10

Reasonable price relative to book value

Operating MarginProfitability
25.3%8/10

Strong operational efficiency at 25.3%

Free Cash FlowQuality
$2.53B8/10

Generating 2.5B in free cash flow

Areas to Watch

MMM4 concerns · Avg: 3.0/10
P/E RatioValuation
27.7x4/10

Moderate valuation

Revenue GrowthGrowth
1.3%4/10

1.3% revenue growth

Price/BookValuation
22.9x2/10

Trading at 22.9x book value

EPS GrowthGrowth
-39.7%2/10

Earnings declined 39.7%

RIO2 concerns · Avg: 2.0/10
PEG RatioValuation
5.692/10

Expensive relative to growth rate

EPS GrowthGrowth
-5.6%2/10

Earnings declined 5.6%

Comparative Analysis Report

WallStSmart Research

Bull Case : MMM

The strongest argument for MMM centers on Return on Equity, Market Cap, Operating Margin.

Bull Case : RIO

The strongest argument for RIO centers on Market Cap, P/E Ratio, Price/Book. Profitability is solid with margins at 17.3% and operating margin at 25.3%. Revenue growth of 14.6% demonstrates continued momentum.

Bear Case : MMM

The primary concerns for MMM are P/E Ratio, Revenue Growth, Price/Book. Debt-to-equity of 2.75 is elevated, increasing financial risk.

Bear Case : RIO

The primary concerns for RIO are PEG Ratio, EPS Growth.

Key Dynamics to Monitor

MMM profiles as a value stock while RIO is a mature play — different risk/reward profiles.

MMM carries more volatility with a beta of 1.09 — expect wider price swings.

RIO is growing revenue faster at 14.6% — sustainability is the question.

RIO generates stronger free cash flow (2.5B), providing more financial flexibility.

Bottom Line

MMM scores higher overall (56/100 vs 54/100). RIO offers better value entry with a 33.7% margin of safety. Both earn "Buy" and "Buy" ratings respectively — the choice depends on your investment horizon and risk tolerance.

This analysis is generated from publicly available financial data. Not financial advice.

3M Company

INDUSTRIALS · CONGLOMERATES · USA

The 3M Company is an American multinational conglomerate corporation operating in the fields of industry, worker safety, US health care, and consumer goods. The company produces over 60,000 products under several brands, including adhesives, abrasives, laminates, passive fire protection, personal protective equipment, window films, paint protection films, dental and orthodontic products, electrical and electronic connecting and insulating materials, medical products, car-care products, electronic circuits, healthcare software and optical films. It is based in Maplewood, a suburb of Saint Paul, Minnesota.

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Rio Tinto ADR

BASIC MATERIALS · OTHER INDUSTRIAL METALS & MINING · USA

Rio Tinto Group is dedicated to the exploration, extraction and processing of mineral resources worldwide. The company is headquartered in London, the United Kingdom.

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