Rio Tinto ADR (RIO)vsSigma Lithium Resources Corp (SGML)
RIO
Rio Tinto ADR
$99.96
+0.57%
BASIC MATERIALS · Cap: $167.95B
SGML
Sigma Lithium Resources Corp
$9.50
-5.66%
BASIC MATERIALS · Cap: $1.19B
Smart Verdict
WallStSmart Research — data-driven comparison
Rio Tinto ADR generates 43265% more annual revenue ($61.79B vs $142.49M). RIO leads profitability with a 19.6% profit margin vs -19.3%. RIO earns a higher WallStSmart Score of 64/100 (C+).
RIO
Buy64
out of 100
Grade: C+
SGML
Hold44
out of 100
Grade: D
Intrinsic Value Comparison
Multi-model valuation · Graham Formula
Margin of Safety
+29.2%
Fair Value
$138.61
Current Price
$99.96
$38.65 discount
Intrinsic value data unavailable for SGML.
Key Strengths & Concerns
Side-by-side fundamental analysis
Key Strengths
Every $100 of equity generates 34 in profit
Large-cap with strong market position
Attractively priced relative to earnings
Reasonable price relative to book value
Strong operational efficiency at 28.1%
15.5% revenue growth
Revenue surging 223.9% year-over-year
Earnings expanding 135.2% YoY
Strong operational efficiency at 24.6%
Areas to Watch
Weak financial health signals
Expensive relative to growth rate
Trading at 13.0x book value
Smaller company, higher risk/reward
Weak financial health signals
ROE of -52.5% — below average capital efficiency
Comparative Analysis Report
WallStSmart ResearchBull Case : RIO
The strongest argument for RIO centers on Return on Equity, Market Cap, P/E Ratio. Profitability is solid with margins at 19.6% and operating margin at 28.1%. Revenue growth of 15.5% demonstrates continued momentum.
Bull Case : SGML
The strongest argument for SGML centers on Revenue Growth, EPS Growth, Operating Margin. Revenue growth of 223.9% demonstrates continued momentum.
Bear Case : RIO
The primary concerns for RIO are Piotroski F-Score, PEG Ratio.
Bear Case : SGML
The primary concerns for SGML are Price/Book, Market Cap, Piotroski F-Score. Debt-to-equity of 3.26 is elevated, increasing financial risk.
Key Dynamics to Monitor
RIO profiles as a growth stock while SGML is a hypergrowth play — different risk/reward profiles.
RIO carries more volatility with a beta of 0.66 — expect wider price swings.
SGML is growing revenue faster at 223.9% — sustainability is the question.
RIO generates stronger free cash flow (3.2B), providing more financial flexibility.
Bottom Line
RIO scores higher overall (64/100 vs 44/100), backed by strong 19.6% margins and 15.5% revenue growth. Both earn "Buy" and "Hold" 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.
Sigma Lithium Resources Corp
BASIC MATERIALS · OTHER INDUSTRIAL METALS & MINING · USA
Sigma Lithium Corporation is engaged in the exploration and development of lithium deposits in Brazil. The company is headquartered in Vancouver, Canada.
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