Why Is ArcelorMittal Stock Down Today?
ArcelorMittal halted primary steel production at Kryvyi Rih after the second missile strike on the plant in five weeks. Its shares moved about as much as Europe's steel peers.
- ArcelorMittal halted primary steel production at Kryvyi Rih after a ballistic missile strike on Saturday, September 12.
- Two contractors were killed and two employees injured; it was the second strike on the plant in five weeks.
- MT was down 2.15% in New York at 12:20 ET, within 0.45 percentage points of thyssenkrupp, SSAB and the steel ETF.
Reaction by asset (real prices)
| Asset | 2m before | At release | +1m | +10m | +1m % | +10m % |
|---|---|---|---|---|---|---|
| MT | 71.60 | 71.60 | 71.60 | 71.60 | 0.00% | 0.00% |
ArcelorMittal stock is down today after the company said primary steel production at its Kryvyi Rih plant in Ukraine has been halted following a ballistic missile strike on Saturday, September 12, 2026. Its New York shares were down 2.15% at $72.91 at 12:20 ET on Monday and its Amsterdam listing was down 2.67%, close to thyssenkrupp's 2.60% decline and the 2.34% drop in the VanEck Steel ETF.
The halt crossed MoveSurge's tape at 09:00:57 ET, before the New York open, and the pre-market reference for MT stayed at $71.60 through the next ten minutes. The only measured move is the session change, and it tracked the steel sector.
What ArcelorMittal said about Kryvyi Rih
- Mid-August 2026: a missile strike on ArcelorMittal Kryvyi Rih claimed two lives, the company said.
- Saturday, September 12: a ballistic missile hit the area of ironmaking complex #1, killing two contractors and injuring two employees, according to the company. Ukrinform reported four people wounded.
- Monday, September 14: ArcelorMittal said primary steel production has been halted while repairs are carried out, and the rest of the plant is either idled or running at minimum operating levels.
- Same statement: specialist teams are assessing the damage, and the company said it is too early to give a credible estimate of how long repairs will take.
ArcelorMittal stock against steel peers, measured
Session change at 12:20 ET against each stock's previous close.
| Stock | Market | Session change |
|---|---|---|
| ArcelorMittal | New York | -2.15% |
| ArcelorMittal | Amsterdam | -2.67% |
| thyssenkrupp | Frankfurt | -2.60% |
| SSAB | Stockholm | -2.22% |
| voestalpine | Vienna | -1.26% |
| Ternium | New York | -2.26% |
| POSCO Holdings | New York | -4.61% |
| Nucor | New York | -0.82% |
| Steel Dynamics | Nasdaq | -0.57% |
| Cleveland-Cliffs | New York | -1.29% |
| VanEck Steel ETF | New York | -2.34% |
| S&P 500 | Index | -0.27% |
In both listings ArcelorMittal fell within 0.45 percentage points of thyssenkrupp, SSAB and the steel ETF. Nucor and Steel Dynamics fell less, 0.82% and 0.57%. A loss specific to one company's plant would normally open a gap between that company and its peers, and on this session the gap was small.
The statement gave no figure for lost output or repair costs. The company said further operational updates will follow once damage assessments are complete and the timeline for repairs is clearer.
Why is ArcelorMittal stock down today?
ArcelorMittal halted primary steel production at its Kryvyi Rih plant in Ukraine after a ballistic missile strike on Saturday, September 12, 2026. Its New York shares were down 2.15% at 12:20 ET on Monday, close to the moves in thyssenkrupp (2.60% lower) and the VanEck Steel ETF (2.34% lower).
What happened at ArcelorMittal Kryvyi Rih?
A ballistic missile hit the area of ironmaking complex #1, killing two contractors and injuring two employees, the company said. It was the second missile strike on the plant in five weeks.
When will ArcelorMittal Kryvyi Rih restart steel production?
The company said it is too early to give a credible estimate of how long repairs will take and that it will update once damage assessments are complete. The rest of the plant is idled or running at minimum operating levels.
Sources
-
ArcelorMittal statement regarding missile strike on its Ukraine plant
— ArcelorMittal via GlobeNewswire
On Saturday a ballistic missile struck the area of ironmaking complex #1 at ArcelorMittal Kryvyi Rih, killing two contractors and injuring two employees; primary steel production is halted while repairs are undertaken and the rest of the facilities are idled or at minimum operating levels; it is the second strike in five weeks after a mid-August strike claimed two lives; too early to estimate how long repairs will take.
-
ArcelorMittal statement regarding missile strike on its Ukraine plant
— ArcelorMittal
The company's regulatory statement on the strike, the halt of primary steel production and the repair assessment.
-
Russian missile strike on ArcelorMittal plant in Kryvyi Rih kills two and injures four
— Ukrinform
A Russian missile strike on the ArcelorMittal Kryvyi Rih plant on the night of September 12 killed two people and wounded four, hitting the pig-iron production area.
Never miss the next market-moving story
Follow the core market-moving feed across equities, macro, currencies and commodities. Your subscription includes recorded price reactions, search, watchlists, alerts and research tools.
Start Pro Watch live headlines -- free