MasTec is trading at $254.46, up 16.97% in after-hours trading, with no credible company-specific announcement dated September 23, 2026, explaining the move.
- Shares closed at $217.54 on September 23, 2026.
- MasTec’s investor-relations page lists its latest release as the September 10 appointment of a vice president of investor relations.
- The previously reported July earnings release is stale and does not explicitly connect results with the current movement.