LyondellBasell Industries is trading 22.05% higher at $72.30 in after-hours trading, with no clearly identified September 22, 2026 company-specific catalyst. - The latest company coverage concerns earlier second-quarter results: $559 million net income and $1.3 billion EBITDA. - Broader markets were mixed and do not clearly explain the move. Recheck for delayed news, filing updates, or a data-quality issue.