Quanta Services is trading at $709.88, up 7.16%, amid industrials' 1.50% pre-market gain and broader risk-on sentiment.

  • No fresh company-specific announcement was identified for August 21, 2026; recent earnings strength remains earlier context.
  • Quanta Services previously reported a strong second quarter, raised 2026 guidance, and cited record backlog.
  • Major indexes also gain as investors anticipate stronger manufacturing data.