WallStSmart

3M Company (MMM)vsWestern Digital Corporation (WDC)

VS

Smart Verdict

WallStSmart Research — data-driven comparison

3M Company generates 112% more annual revenue ($25.02B vs $11.78B). WDC leads profitability with a 55.3% profit margin vs 11.1%. WDC appears more attractively valued with a PEG of 0.58. WDC earns a higher WallStSmart Score of 80/100 (A-).

MMM

Buy

56

out of 100

Grade: C

Growth: 2.7Profit: 8.0Value: 3.3Quality: 5.5
Piotroski: 5/9Altman Z: 2.82

WDC

Exceptional Buy

80

out of 100

Grade: A-

Growth: 7.3Profit: 9.5Value: 5.7Quality: 6.5
Piotroski: 5/9Altman Z: 1.51
IV

Intrinsic Value Comparison

Multi-model valuation · Graham Formula

MMMSignificantly Overvalued (-51.4%)

Margin of Safety

-51.4%

Fair Value

$114.14

Current Price

$153.76

$39.62 premium

UndervaluedFair: $114.14Overvalued

Intrinsic value data unavailable for WDC.

Key Strengths & Concerns

Side-by-side fundamental analysis

Key Strengths

MMM3 strengths · Avg: 9.0/10
Return on EquityProfitability
85.4%10/10

Every $100 of equity generates 85 in profit

Market CapQuality
$82.53B9/10

Large-cap with strong market position

Operating MarginProfitability
23.3%8/10

Strong operational efficiency at 23.3%

WDC6 strengths · Avg: 10.0/10
Market CapQuality
$225.26B10/10

Mega-cap, among the largest globally

Return on EquityProfitability
67.0%10/10

Every $100 of equity generates 67 in profit

Profit MarginProfitability
55.3%10/10

Keeps 55 of every $100 in revenue as profit

Operating MarginProfitability
37.0%10/10

Strong operational efficiency at 37.0%

Revenue GrowthGrowth
45.5%10/10

Revenue surging 45.5% year-over-year

EPS GrowthGrowth
482.9%10/10

Earnings expanding 482.9% YoY

Areas to Watch

MMM4 concerns · Avg: 3.5/10
PEG RatioValuation
1.684/10

Expensive relative to growth rate

P/E RatioValuation
30.5x4/10

Premium valuation, high expectations priced in

Revenue GrowthGrowth
1.3%4/10

1.3% revenue growth

Price/BookValuation
24.6x2/10

Trading at 24.6x book value

WDC3 concerns · Avg: 3.3/10
P/E RatioValuation
39.1x4/10

Premium valuation, high expectations priced in

Altman Z-ScoreHealth
1.514/10

Distress zone — elevated risk

Price/BookValuation
27.5x2/10

Trading at 27.5x book value

Comparative Analysis Report

WallStSmart Research

Bull Case : MMM

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

Bull Case : WDC

The strongest argument for WDC centers on Market Cap, Return on Equity, Profit Margin. Profitability is solid with margins at 55.3% and operating margin at 37.0%. Revenue growth of 45.5% demonstrates continued momentum.

Bear Case : MMM

The primary concerns for MMM are PEG Ratio, P/E Ratio, Revenue Growth. Debt-to-equity of 3.85 is elevated, increasing financial risk.

Bear Case : WDC

The primary concerns for WDC are P/E Ratio, Altman Z-Score, Price/Book.

Key Dynamics to Monitor

MMM profiles as a value stock while WDC is a growth play — different risk/reward profiles.

WDC carries more volatility with a beta of 2.20 — expect wider price swings.

WDC is growing revenue faster at 45.5% — sustainability is the question.

WDC generates stronger free cash flow (978M), providing more financial flexibility.

Bottom Line

WDC scores higher overall (80/100 vs 56/100), backed by strong 55.3% margins and 45.5% revenue growth. Both earn "Exceptional 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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Western Digital Corporation

TECHNOLOGY · COMPUTER HARDWARE · USA

Western Digital Corporation (WDC, commonly known as Western Digital or WD) is an American computer hard disk drive manufacturer and data storage company, headquartered in San Jose, California. It designs, manufactures and sells data technology products, including storage devices, data center systems and cloud storage services.

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