ArcelorMittal is trading at $67.87, up 12.51%, after-hours, with no confirmed company-specific catalyst.
- October 28 regular-session close was $60.32; no reliable report confirms an announcement, as in an earlier alert.
- J.P. Morgan put ArcelorMittal on Positive Catalyst Watch ahead of November 5 results, citing expected steel-price and earnings improvement. Steel-peer results offered supportive sector context but do not establish the cause.
- Supplied crypto prices showed small moves and do not explain the sharp rise.