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This week, we use AAII’s A+ Investor Stock Grades to provide insight into three metals and mining stocks. With significant disruptions projected in areas of the metals sector, should you consider the three stocks of Constellium SE (CSTM), Eldorado Gold Corp. (EGO) and Nucor Corp. (NUE)?

Metals and Mining Stocks Recent News

According to Argus Media, the escalating Middle East conflict has triggered immediate disruption to global aluminum supply, with the region accounting for 8% to 9% of worldwide aluminum production. Qatar’s aluminum producer Qatalum has halted production due to shutdown of its energy supplier, and the closing of the Strait of Hormuz has resulted in significant disruptions to shipping.

Sulphur, which is necessary for processing copper and nickel, is one of the most acutely impacted commodities. Argus Media reported that nearly half of global sulphur exports could face delays if shipping disruptions persist. Any sustained tightening of sulphur supply would add significant cost pressure across supply chains for copper and nickel. Vessel backlogs, port disruptions and damage to energy infrastructure have already delayed shipments at a time when demand from metals, processors and fertilizer producers remains firm.

For individual investors, these trends may present a reason to pay attention to metals and mining stocks such as Constellium SE, Eldorado Gold and Nucor.

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Grading Metals and Mining Stocks With AAII’s A+ Stock Grades

When analyzing a company, it is helpful to have an objective framework that allows you to compare companies in the same way. This is why AAII created the A+ Stock Grades. They evaluate companies across five factors that research and real-world investment results indicate to identify market-beating stocks in the long run: value, growth, momentum, earnings estimate revisions (and surprises) and quality.

Using AAII’s A+ Stock Grades, the following table summarizes the attractiveness of three metals and mining stocks—Constellium SE, Eldorado Gold and Nucor—based on their fundamentals.

AAII’s A+ Stock Grade Summary for Three Metals and Mining Stocks

What the A+ Stock Grades Reveal

Constellium SE (CSTM) is a global aluminum products and solutions company operating in the U.S., Europe and Asia. It offers specialized aluminum products for aerospace, automotive, packaging and industrial markets. The company operates through three segments: packaging and automotive rolled products; aerospace and transportation; and automotive structures and industry. Constellium SE manufactures rolled and extruded aluminum products, including body sheets, structural components, aerospace plates and beverage can stock. It also provides value-added aluminum solutions such as crash management systems, body-in-white structures and proprietary alloy development. The company was founded in 2011 and is headquartered in Paris, France.

Constellium SE has a Value Grade of B, based on its Value Score of 71, which is good value. Higher scores indicate a more attractive stock for value investors and, thus, a better grade. The Value Grade is the percentile rank of the average of the percentile ranks of the price-to-sales (P/S) ratio, price-earnings (P/E) ratio, price-to-book-value (P/B) ratio, price-to-free-cash-flow (P/FCF) ratio, shareholder yield and the ratio of enterprise value to earnings before interest, taxes, depreciation and amortization (EBITDA).

Constellium SE has a shareholder yield of 5.2%. Its price-to-sales ratio is 0.51, which ranks in the cheapest 19th percentile of all U.S.-listed stocks and is below the sector median of 1.86. Its enterprise-value-to-EBITDA ratio of 5.2 ranks in the 11th percentile. For price multiples, a lower rank is more attractive.

Constellium SE has a Momentum Grade of A, based on its Momentum Score of 95. This means that the stock’s momentum is very strong in terms of its weighted relative price strength over the last four quarters. The weighted four-quarter relative strength rank is the relative price change for each of the past four quarters, with the most recent quarterly price change given a weight of 40% and each of the three previous quarters given a weight of 20%. The quarterly ranks are 92, 94, 66 and 92, sequentially from the most recent quarter, with higher ranks signaling stronger price momentum. The weighted four-quarter relative price strength is 33.2%.

Constellium SE has a Growth Grade of B, which is strong. The components of the Growth Composite Score consider a company’s success in growing sales on a year-over-year and long-term annualized basis and its ability to consistently generate positive cash from its core operations. The company has a five-year annualized sales growth rate of 7.2% and has generated positive annual cash from operations in the past five consecutive years.

Eldorado Gold Corp. (EGO) is a global gold mining company primarily operating in Canada, Greece, Turkey and Romania. It offers gold and silver production, mineral exploration, and mine development services. The company operates through a portfolio of mines and development projects, with its primary assets located in Greece and Turkey. Eldorado Gold produces gold doré (a semi-pure alloy), silver and other by-product metals through open-pit and underground mining operations. It also conducts exploration and feasibility activities across its mineral properties. The company was founded in 1992 and is headquartered in Vancouver, British Columbia, Canada.

Eldorado Gold has a Quality Grade of B, with a score of 69, which is strong. Higher-quality stocks possess traits associated with upside potential and reduced downside risk. The Quality Grade is the percentile rank of the average of the percentile ranks of return on assets (ROA), return on invested capital (ROIC), gross profit to assets, buyback yield, change in total liabilities to assets, accruals to assets, Z double prime bankruptcy risk (Z) score and F-Score. To be assigned a Quality Score, though, stocks must have a valid (non-null) measure and corresponding ranking for at least four of the eight quality measures.

Eldorado Gold ranks strongly in terms of its return on assets and buyback yield. Its return on assets is 8.1%, which ranks in the 83rd percentile. Its buyback yield is 2.4%, which also ranks in the 83rd percentile.

Eldorado Gold has a Value Grade of B, based on a score of 67, which is good value. The company ranks in the cheapest 16th percentile for its enterprise-value-to-EBITDA ratio and in the cheapest 34th percentile for its price-earnings ratio. The company has an enterprise-value-to-EBITDA ratio of 6.5 and a price-earnings ratio of 14.3.

The company has a Momentum Grade of B, based on its Momentum Score of 72. This means that the stock’s momentum is strong in terms of its weighted relative price strength over the last four quarters. The quarterly ranks are 34, 93, 88 and 38, sequentially from the most recent quarter. The weighted four-quarter relative price strength is 7.2%.

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Nucor Corp. (NUE) is a leading steel and steel products company serving primarily U.S., Canada and Mexico markets. It offers steel mill products, steel fabrication and raw materials solutions for construction, automotive, energy and industrial markets. The company operates through three segments: steel mills, steel products and raw materials. Nucor produces a broad range of steel products, including sheet, bars, structural steel, plates and specialty steel items. It also provides fabricated construction products such as steel joists, girders, metal building systems and rebar fabrication, as well as operates scrap processing facilities and direct reduced iron production plants. The company was founded in 1940 and is headquartered in Charlotte, North Carolina.

Nucor has a Quality Grade of B, based on a score of 76, which is strong. The company ranks strongly in terms of its return on assets, buyback yield and F-Score. Its return on assets of 5.1% ranks in the 72nd percentile. Its buyback yield of 2.0% ranks in the 81st percentile, and its F-Score of 6 ranks in the 68th percentile. The F-Score is a number between 0 and 9 that assesses the strength of a company’s financial position. It considers the profitability, leverage, liquidity and operating efficiency of a company.

Nucor’s Growth Grade is B, which is strong. The company has realized positive annual cash from operations during past five consecutive years. It also has a five-year annualized sales growth rate of 10.0%.

Earnings estimate revisions indicate how analysts view a firm’s short-term prospects. Nucor has an Earnings Estimate Revisions Grade of B, based on a score of 71, which is positive. The grade is based on the statistical significance of its latest two quarterly earnings surprises and the percentage change in its consensus estimate for the current fiscal year over the past month and past three months.

Nucor reported a negative earnings surprise for the fourth quarter of 2025 of –4.4%, and in the prior quarter reported a positive earnings surprise of 21.3%. Over the last month, the consensus earnings estimate for first-quarter 2026 has decreased slightly from $2.800 to $2.799 per share based on one downward revision. For full-year 2026, the consensus earnings estimate has increased from $12.242 to $12.783 per share based on one upward revision.