MasTec is trading 6.49% up in pre-market at $299.37, with no clearly reported August 13 overnight company-specific catalyst.
- Shares rose from the August 12 close of $281.11.
- Investors may be reassessing record second-quarter results, a $21.4 billion backlog, and raised 2026 guidance.
- Broader technology and infrastructure sentiment remains supportive, though modest index gains leave the immediate catalyst uncertain.