WallStSmart

Amgen Inc (AMGN)vsRio Tinto ADR (RIO)

VS

Smart Verdict

WallStSmart Research — data-driven comparison

Rio Tinto ADR generates 57% more annual revenue ($57.64B vs $36.75B). AMGN leads profitability with a 21.0% profit margin vs 17.3%. AMGN appears more attractively valued with a PEG of 2.33. 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

RIO

Buy

54

out of 100

Grade: C-

Growth: 6.0Profit: 8.0Value: 4.7Quality: 5.0
IV

Intrinsic Value Comparison

Multi-model valuation · Graham Formula

AMGNUndervalued (+46.8%)

Margin of Safety

+46.8%

Fair Value

$665.50

Current Price

$353.93

$311.57 discount

UndervaluedFair: $665.50Overvalued
RIOSignificantly Overvalued (-136.9%)

Margin of Safety

-136.9%

Fair Value

$41.41

Current Price

$87.54

$46.13 premium

UndervaluedFair: $41.41Overvalued

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

RIO5 strengths · Avg: 8.2/10
Market CapQuality
$139.55B9/10

Large-cap with strong market position

P/E RatioValuation
14.1x8/10

Attractively priced relative to earnings

Price/BookValuation
2.3x8/10

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

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

Expensive relative to growth rate

Price/BookValuation
22.0x2/10

Trading at 22.0x book value

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 : 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 : 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 : AMGN

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

Bear Case : RIO

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

Key Dynamics to Monitor

RIO carries more volatility with a beta of 0.65 — 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.

Monitor DRUG MANUFACTURERS - GENERAL industry trends, competitive dynamics, and regulatory changes.

Bottom Line

AMGN scores higher overall (70/100 vs 54/100), 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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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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