MasTec is trading 4.07% down at $204.19, with the decline coinciding with broader market weakness.
- Reuters reported stocks fell as oil rose amid the U.S.-Iran stalemate and Treasury yields climbed, renewing inflation and interest-rate concerns.
- No clear MasTec-specific announcement or catalyst surfaced for September 28, 2026; MasTec’s investor-relations page lists September 10 as its latest release.