ArcelorMittal SA vs NIPPON STEEL: why the prices moved differently

Weekly · monthly · quarterly news summaries, side by side in time

ArcelorMittal SA (MT.AS)

Q3 202617 Jun – 30 Sep 2026

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ArcelorMittal Q3: Tech Deals and Brazil Growth Offset by War Damage and Profit Drop

AI and Amazon deals ArcelorMittal partnered with AWS for AI and agreed to supply Amazon with XCarb green steel. These moves should cut costs and provide a steady customer, supporting future earnings.
New partnerships that could improve efficiency and revenue.
EU carbon relief and Brazil expansion EU carbon-rule relief efforts could reduce a major regulatory burden. Brazil’s $961M Pecém expansion aims at higher-margin steel, potentially boosting long-term profitability.
New regulatory and expansion developments that could lower costs and improve margins.
Russian strikes on Kryvyi Rih Two Russian strikes halted primary output at Kryvyi Rih, killing three contractors and injuring 13. This adds repair costs, lost production, and recurring war risk, weighing on operations.
New geopolitical event that directly disrupts production and adds costs.
Sharp Q2 profit drop Q2 net profit fell to $683M from $1.79B, even as EBITDA rose to $2.06B. The profit decline may worry investors despite improving operating trends.
New earnings report showing a significant profit decline that could affect investor sentiment.

September 20263 Aug – 30 Sep 2026

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ArcelorMittal: Ukraine strikes halt output, Brazil expansion and AI push offset

Second missile strike halts Kryvyi Rih steel output A ballistic missile hit ArcelorMittal's Kryvyi Rih plant in Ukraine, killing two contractors and stopping primary steel production while ironmaking complex #1 is assessed. This is the second strike in five weeks, so lost output and repair costs weigh on earnings and the share price.
Directly hits production and earnings, the clearest negative force on MT.AS this period.
Earlier drone attack injured workers at same plant In mid-August a large Russian drone and missile attack on Kryvyi Rih injured 13 ArcelorMittal employees and killed one. It showed the war is repeatedly disrupting the company's Ukrainian assets, adding risk and cost that pressure the stock.
First of the two strikes; sets up the recurring war risk to ArcelorMittal's assets.
Brazil Pecém mill expansion targets higher-margin steel ArcelorMittal aims to decide by year-end on a $961M expansion of its Pecém mill in Brazil, adding a 1.5M-ton hot-rolled coil line. Turning cheap slab into higher-value rolled steel should lift future profits, supporting the share price.
A concrete growth investment that improves the long-term earnings mix.
Microsoft Azure and AI deal to cut costs over time ArcelorMittal expanded its Microsoft partnership, making Azure its main cloud platform and embedding AI and data tools across its IT systems. The goal is lower legacy IT costs and better efficiency, a slow-building positive for margins and the stock.
A structural efficiency driver that supports profitability beyond daily price moves.

Latest3 Aug – 30 Sep 2026

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ArcelorMittal: Ukraine strikes halt output, Brazil expansion and AI push offset

Second missile strike halts Kryvyi Rih steel output A ballistic missile hit ArcelorMittal's Kryvyi Rih plant in Ukraine, killing two contractors and stopping primary steel production while ironmaking complex #1 is assessed. This is the second strike in five weeks, so lost output and repair costs weigh on earnings and the share price.
Directly hits production and earnings, the clearest negative force on MT.AS this period.
Earlier drone attack injured workers at same plant In mid-August a large Russian drone and missile attack on Kryvyi Rih injured 13 ArcelorMittal employees and killed one. It showed the war is repeatedly disrupting the company's Ukrainian assets, adding risk and cost that pressure the stock.
First of the two strikes; sets up the recurring war risk to ArcelorMittal's assets.
Brazil Pecém mill expansion targets higher-margin steel ArcelorMittal aims to decide by year-end on a $961M expansion of its Pecém mill in Brazil, adding a 1.5M-ton hot-rolled coil line. Turning cheap slab into higher-value rolled steel should lift future profits, supporting the share price.
A concrete growth investment that improves the long-term earnings mix.
Microsoft Azure and AI deal to cut costs over time ArcelorMittal expanded its Microsoft partnership, making Azure its main cloud platform and embedding AI and data tools across its IT systems. The goal is lower legacy IT costs and better efficiency, a slow-building positive for margins and the stock.
A structural efficiency driver that supports profitability beyond daily price moves.

July 202617 Jun – 30 Jul 2026

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ArcelorMittal: AI deal, ETS relief push, mixed Q2 profit

AI partnership and Amazon steel supply deal ArcelorMittal is teaming with Amazon Web Services to use AI across its steelmaking, which should cut costs and lift efficiency. Amazon will also buy lower-carbon XCarb steel for years, giving a steady new customer. Both support future profits and the share price.
New technology and demand news that directly boosts ArcelorMittal's earnings outlook.
Steelmakers push for softer EU carbon rules ArcelorMittal and two peers asked the EU to pause rising carbon-permit costs until cheap power, hydrogen and carbon capture are ready. If Brussels listens, it lowers a big cost burden. The EU is now reviewing the system, so this is a live positive for the stock.
Regulatory relief would directly cut ArcelorMittal's costs and improve margins.
Q2 profit falls but underlying earnings rise Net profit dropped to $683 million from $1.79 billion a year ago, yet EBITDA rose to $2.06 billion and sales grew. The company expects higher shipments ahead and sees $1.8 billion more EBITDA from projects. The headline profit fall may worry some, but the operating trend is improving.
Latest earnings show a mixed picture that investors are weighing right now.

17 Jun – 30 Jul 2026

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ArcelorMittal: AI deal, ETS relief push, mixed Q2 profit

AI partnership and Amazon steel supply deal ArcelorMittal is teaming with Amazon Web Services to use AI across its steelmaking, which should cut costs and lift efficiency. Amazon will also buy lower-carbon XCarb steel for years, giving a steady new customer. Both support future profits and the share price.
New technology and demand news that directly boosts ArcelorMittal's earnings outlook.
Steelmakers push for softer EU carbon rules ArcelorMittal and two peers asked the EU to pause rising carbon-permit costs until cheap power, hydrogen and carbon capture are ready. If Brussels listens, it lowers a big cost burden. The EU is now reviewing the system, so this is a live positive for the stock.
Regulatory relief would directly cut ArcelorMittal's costs and improve margins.
Q2 profit falls but underlying earnings rise Net profit dropped to $683 million from $1.79 billion a year ago, yet EBITDA rose to $2.06 billion and sales grew. The company expects higher shipments ahead and sees $1.8 billion more EBITDA from projects. The headline profit fall may worry some, but the operating trend is improving.
Latest earnings show a mixed picture that investors are weighing right now.

NIPPON STEEL CORP. (5401.JP)

Q3 202624 Jul – 28 Aug 2026

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US Steel turnaround lifts profit forecast; Toyota price hike adds domestic boost

US Steel drives profit swing and forecast raise Nippon Steel swung to a 7.52 billion yen net profit in April–June, helped by US Steel, and raised its full-year net profit forecast by 70 billion yen to 290 billion yen. US Steel is now the group's top earner, with its operating profit outlook lifted to 180 billion yen or more. This directly boosts expected earnings and supports the share price.
This is the core new financial event that changes the company's earnings outlook and is the main reason the stock is moving.
Toyota agrees to first steel price hike in four years Toyota and Nippon Steel agreed to raise steel prices by about 12,000 yen per ton from October, the first increase in four years. Because Toyota's price deal sets a benchmark for other industries, this signals better domestic pricing power and higher revenue ahead, lifting profit expectations.
This is a new pricing event that directly improves Nippon Steel's domestic revenue and profitability outlook.
Defense Ministry buys former Kure steel site Nippon Steel signed a contract to sell its former Setouchi Works site in Kure, about 140 hectares, to Japan's Defense Ministry for a multi-purpose defense base. The land sale brings in cash and removes an idle asset, strengthening the balance sheet and funding other priorities.
This is a new asset sale that improves capital efficiency and provides a one-time cash inflow.
US tariffs remain a risk to US Steel investment Nippon Steel's chairman called new U.S. tariffs unreasonable and a major blow to global manufacturing, noting they affect the company's over 2 trillion yen investment in US Steel. While the tariffs are not new, they remain a real counterweight that could pressure US Steel's earnings and the overall profit recovery.
This is the main negative force that could offset the positive US Steel earnings story and is important for a fair picture.

August 202624 Jul – 28 Aug 2026

▲3▼1

US Steel turnaround lifts profit forecast; Toyota price hike adds domestic boost

US Steel drives profit swing and forecast raise Nippon Steel swung to a 7.52 billion yen net profit in April–June, helped by US Steel, and raised its full-year net profit forecast by 70 billion yen to 290 billion yen. US Steel is now the group's top earner, with its operating profit outlook lifted to 180 billion yen or more. This directly boosts expected earnings and supports the share price.
This is the core new financial event that changes the company's earnings outlook and is the main reason the stock is moving.
Toyota agrees to first steel price hike in four years Toyota and Nippon Steel agreed to raise steel prices by about 12,000 yen per ton from October, the first increase in four years. Because Toyota's price deal sets a benchmark for other industries, this signals better domestic pricing power and higher revenue ahead, lifting profit expectations.
This is a new pricing event that directly improves Nippon Steel's domestic revenue and profitability outlook.
Defense Ministry buys former Kure steel site Nippon Steel signed a contract to sell its former Setouchi Works site in Kure, about 140 hectares, to Japan's Defense Ministry for a multi-purpose defense base. The land sale brings in cash and removes an idle asset, strengthening the balance sheet and funding other priorities.
This is a new asset sale that improves capital efficiency and provides a one-time cash inflow.
US tariffs remain a risk to US Steel investment Nippon Steel's chairman called new U.S. tariffs unreasonable and a major blow to global manufacturing, noting they affect the company's over 2 trillion yen investment in US Steel. While the tariffs are not new, they remain a real counterweight that could pressure US Steel's earnings and the overall profit recovery.
This is the main negative force that could offset the positive US Steel earnings story and is important for a fair picture.

Latest24 Jul – 28 Aug 2026

▲3▼1

US Steel turnaround lifts profit forecast; Toyota price hike adds domestic boost

US Steel drives profit swing and forecast raise Nippon Steel swung to a 7.52 billion yen net profit in April–June, helped by US Steel, and raised its full-year net profit forecast by 70 billion yen to 290 billion yen. US Steel is now the group's top earner, with its operating profit outlook lifted to 180 billion yen or more. This directly boosts expected earnings and supports the share price.
This is the core new financial event that changes the company's earnings outlook and is the main reason the stock is moving.
Toyota agrees to first steel price hike in four years Toyota and Nippon Steel agreed to raise steel prices by about 12,000 yen per ton from October, the first increase in four years. Because Toyota's price deal sets a benchmark for other industries, this signals better domestic pricing power and higher revenue ahead, lifting profit expectations.
This is a new pricing event that directly improves Nippon Steel's domestic revenue and profitability outlook.
Defense Ministry buys former Kure steel site Nippon Steel signed a contract to sell its former Setouchi Works site in Kure, about 140 hectares, to Japan's Defense Ministry for a multi-purpose defense base. The land sale brings in cash and removes an idle asset, strengthening the balance sheet and funding other priorities.
This is a new asset sale that improves capital efficiency and provides a one-time cash inflow.
US tariffs remain a risk to US Steel investment Nippon Steel's chairman called new U.S. tariffs unreasonable and a major blow to global manufacturing, noting they affect the company's over 2 trillion yen investment in US Steel. While the tariffs are not new, they remain a real counterweight that could pressure US Steel's earnings and the overall profit recovery.
This is the main negative force that could offset the positive US Steel earnings story and is important for a fair picture.