WallStSmart

Amgen Inc (AMGN)vsWestern Digital Corporation (WDC)

VS

Smart Verdict

WallStSmart Research — data-driven comparison

Amgen Inc generates 242% more annual revenue ($36.75B vs $10.73B). WDC leads profitability with a 35.6% profit margin vs 21.0%. WDC appears more attractively valued with a PEG of 0.65. AMGN earns a higher WallStSmart Score of 70/100 (B-).

AMGN

Strong Buy

70

out of 100

Grade: B-

Growth: 8.0Profit: 8.5Value: 10.0Quality: 5.0
Piotroski: 4/9

WDC

Buy

55

out of 100

Grade: C

Growth: 2.0Profit: 9.0Value: 7.3Quality: 5.0
IV

Intrinsic Value Comparison

Multi-model valuation · Graham Formula

AMGNUndervalued (+47.6%)

Margin of Safety

+47.6%

Fair Value

$665.50

Current Price

$348.77

$316.73 discount

UndervaluedFair: $665.50Overvalued
WDCSignificantly Overvalued (-280.8%)

Margin of Safety

-280.8%

Fair Value

$71.88

Current Price

$275.34

$203.46 premium

UndervaluedFair: $71.88Overvalued

Key Strengths & Concerns

Side-by-side fundamental analysis

Key Strengths

AMGN5 strengths · Avg: 9.6/10
Return on EquityProfitability
106.1%10/10

Every $100 of equity generates 106 in profit

Operating MarginProfitability
30.5%10/10

Strong operational efficiency at 30.5%

EPS GrowthGrowth
112.1%10/10

Earnings expanding 112.1% YoY

Market CapQuality
$187.83B9/10

Large-cap with strong market position

Profit MarginProfitability
21.0%9/10

Keeps 21 of every $100 in revenue as profit

WDC4 strengths · Avg: 9.3/10
Return on EquityProfitability
41.1%10/10

Every $100 of equity generates 41 in profit

Profit MarginProfitability
35.6%10/10

Keeps 36 of every $100 in revenue as profit

Market CapQuality
$94.14B9/10

Large-cap with strong market position

PEG RatioValuation
0.658/10

Growing faster than its price suggests

Areas to Watch

AMGN2 concerns · Avg: 3.0/10
PEG RatioValuation
2.334/10

Expensive relative to growth rate

Price/BookValuation
21.7x2/10

Trading at 21.7x book value

WDC4 concerns · Avg: 3.0/10
P/E RatioValuation
26.1x4/10

Moderate valuation

Price/BookValuation
13.2x4/10

Trading at 13.2x book value

Revenue GrowthGrowth
-41.0%2/10

Revenue declined 41.0%

EPS GrowthGrowth
-95.9%2/10

Earnings declined 95.9%

Comparative Analysis Report

WallStSmart Research

Bull Case : AMGN

The strongest argument for AMGN centers on Return on Equity, Operating Margin, EPS Growth. Profitability is solid with margins at 21.0% and operating margin at 30.5%.

Bull Case : WDC

The strongest argument for WDC centers on Return on Equity, Profit Margin, Market Cap. Profitability is solid with margins at 35.6% and operating margin at 15.4%. PEG of 0.65 suggests the stock is reasonably priced for its growth.

Bear Case : AMGN

The primary concerns for AMGN are PEG Ratio, Price/Book.

Bear Case : WDC

The primary concerns for WDC are P/E Ratio, Price/Book, Revenue Growth.

Key Dynamics to Monitor

AMGN profiles as a mature stock while WDC is a declining play — different risk/reward profiles.

WDC carries more volatility with a beta of 1.85 — expect wider price swings.

AMGN is growing revenue faster at 8.6% — sustainability is the question.

AMGN generates stronger free cash flow (961M), providing more financial flexibility.

Bottom Line

AMGN scores higher overall (70/100 vs 55/100), backed by strong 21.0% margins. Both earn "Strong 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.

Amgen Inc

HEALTHCARE · DRUG MANUFACTURERS - GENERAL · USA

Amgen Inc. (formerly Applied Molecular Genetics Inc.) is an American multinational biopharmaceutical company headquartered in Thousand Oaks, California. Focused on molecular biology and biochemistry, its goal is to provide a healthcare business based on recombinant DNA technology.

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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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