🟢 Century Aluminum is trading 40% up in after-hours trading

Century Aluminum is trading at $54.55, up 39.84% in after-hours trading, with no verified company-specific catalyst explaining the surge.

• It closed at $39.01 on September 18, 2026.
• Reuters reported ongoing uncertainty around Century Aluminum’s proposed Oklahoma smelter, including a permit moratorium extension, but did not link it to the price jump.
• Confidence remains limited because the move lacks a confirmed catalyst.