Constellium is trading at $24.70, up 6.88%, with no confirmed catalyst directly explaining the after-hours jump. - Its latest reported catalyst was the October 28 earnings release, which reported record third-quarter adjusted EBITDA and higher 2026 guidance; that news predates this move. - Barclays raised its price target to $30 on October 30 while maintaining Equal-Weight; available reporting does not link the change to the jump. - The provided broader-market context is negative and does not explain the upward move.