Rio Tinto ADR (RIO)vsWest Pharmaceutical Services Inc (WST)
RIO
Rio Tinto ADR
$105.38
+2.20%
BASIC MATERIALS · Cap: $171.59B
WST
West Pharmaceutical Services Inc
$325.92
+1.21%
HEALTHCARE · Cap: $22.08B
Smart Verdict
WallStSmart Research — data-driven comparison
Rio Tinto ADR generates 1689% more annual revenue ($57.64B vs $3.22B). RIO leads profitability with a 17.3% profit margin vs 16.9%. WST appears more attractively valued with a PEG of 2.89. WST earns a higher WallStSmart Score of 67/100 (B-).
RIO
Buy54
out of 100
Grade: C-
WST
Strong Buy67
out of 100
Grade: B-
Intrinsic Value Comparison
Multi-model valuation · Graham Formula
Margin of Safety
+33.7%
Fair Value
$147.89
Current Price
$105.38
$42.51 discount
Margin of Safety
-32.4%
Fair Value
$185.95
Current Price
$325.92
$139.97 premium
Key Strengths & Concerns
Side-by-side fundamental analysis
Key Strengths
Large-cap with strong market position
Attractively priced relative to earnings
Reasonable price relative to book value
Strong operational efficiency at 25.3%
Generating 2.5B in free cash flow
Earnings expanding 56.1% YoY
Safe zone — low bankruptcy risk
Strong operational efficiency at 21.7%
Revenue surging 21.0% year-over-year
Areas to Watch
Expensive relative to growth rate
Earnings declined 5.6%
Expensive relative to growth rate
Premium valuation, high expectations priced in
Comparative Analysis Report
WallStSmart ResearchBull 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.
Bull Case : WST
The strongest argument for WST centers on EPS Growth, Altman Z-Score, Operating Margin. Profitability is solid with margins at 16.9% and operating margin at 21.7%. Revenue growth of 21.0% demonstrates continued momentum.
Bear Case : RIO
The primary concerns for RIO are PEG Ratio, EPS Growth.
Bear Case : WST
The primary concerns for WST are PEG Ratio, P/E Ratio. A P/E of 41.8x leaves little room for execution misses.
Key Dynamics to Monitor
RIO profiles as a mature stock while WST is a growth play — different risk/reward profiles.
WST carries more volatility with a beta of 1.17 — expect wider price swings.
WST is growing revenue faster at 21.0% — sustainability is the question.
RIO generates stronger free cash flow (2.5B), providing more financial flexibility.
Bottom Line
WST scores higher overall (67/100 vs 54/100), backed by strong 16.9% margins and 21.0% revenue growth. RIO offers better value entry with a 33.7% margin of safety. 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.
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.
West Pharmaceutical Services Inc
HEALTHCARE · MEDICAL INSTRUMENTS & SUPPLIES · USA
West Pharmaceutical Services, Inc. is a designer and manufacturer of injectable pharmaceutical packaging and delivery systems. The company is headquartered in Exton, Pennsylvania.
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