Constellium is trading 5.03% higher at $24.20, with the catalyst unclear.
- It closed the November 3 regular session at $23.04.
- Its third-quarter results and higher 2026 guidance were reported October 28, not after the November 3 close.
- A metals-market article mentioned Constellium among producers trading higher earlier Tuesday, but did not explain this after-hours move. Available reporting identifies no new November 3 after-hours announcement.