Market open · Delayed intraday data · 11:43 AM ET
Last update: Sep 16, 2026, 11:43 AM ET
MasTec, Inc.
5.3% on Sep 14, 2026

Why MasTec, Inc. (MTZ) Stock Fell 5.3% on Sep 14, 2026

The clearest new catalyst: Q2 EPS miss and communications guidance cut.

Researched by BestStocks Market Desk · Published Sep 14, 2026
Prior close
$240.41
Sep 14, 2026 close
$227.70
Change
−$12.71
-5.29%
Rel. volume
0.9×
1.2M shares

Why did MTZ stock fall?

MasTec shares fell 5.3% on September 14, 2026, as investors reacted to mixed second-quarter earnings results. The company reported Q2 revenue of $4.37 billion but adjusted EPS of $2.22 missed consensus expectations, and management lowered full-year communications segment guidance citing wireless project deferrals and sector headwinds. The decline occurred amid a broader multi-week cooling period in industrial stocks following valuation resets tied to earnings season.

Market context — Broader macroeconomic factors and sector-wide rotation continue to influence infrastructure and construction builders despite long-term tailwinds in power delivery and grid modernization.
  • Q2 EPS miss and communications guidance cut: MasTec reported adjusted EPS of $2.22, which fell short of expectations, and management reduced communications segment guidance for the full year, citing wireless declines and project deferrals as headwinds.
  • Sector-wide industrial pullback: Shares declined as part of a multi-week cooling period in infrastructure and construction stocks, with investors reassessing high forward valuation multiples against segment-specific margin pressures.
Sources:zacks.com
Researched from primary and established sources on Sep 15, 2026.

Initial detection

BestStocks first flagged MTZ intraday on Sep 14, 2026; this analysis was finalized after the close using the confirmed −5.3% session move and additional catalyst research.

Show the initial intraday note
Valuation-5.3%high confidence

MasTec shares fell 5.08% to $228.19 as investors digest sector-wide industrial headwinds and a mixed earnings reaction. The company posted Q2 2026 revenue of $4.37 billion but adjusted EPS of $2.22 missed expectations, and management lowered communications segment guidance citing wireless declines and project deferrals. Volume traded at 0.68x average for this time of session, suggesting below-average participation in the selloff.

Source: fmp_intraday

What to watch next: MTZ earnings confirmation and any analyst price-target revisions in the coming weeks; consensus EPS estimate of $2.95 for the next earnings cycle (scheduled ~2026-10-29, pending confirmation).

Frequently asked questions

Why did MasTec, Inc. (MTZ) stock fall on Sep 14, 2026?

MasTec shares fell 5.3% on September 14, 2026, as investors reacted to mixed second-quarter earnings results. The company reported Q2 revenue of $4.37 billion but adjusted EPS of $2.22 missed consensus expectations, and management lowered full-year communications segment guidance citing wireless project deferrals and sector headwinds. The decline occurred amid a broader multi-week cooling period in industrial stocks following valuation resets tied to earnings season.

How much did MTZ stock fall on Sep 14, 2026?

MTZ fell 5.3% during the Sep 14, 2026 trading session.

What were the main drivers behind MTZ's move?

Q2 EPS miss and communications guidance cut; Sector-wide industrial pullback.

This is an archived analysis of MTZ's Sep 14, 2026 session.
See MTZ's latest changes →
Educational research tool — not personalized investment advice. Figures reflect the Sep 14, 2026 session as first analyzed.