Quanta Services is trading 5.54% up at $709.09 in the August 10, 2026 pre-market session, with no clear company-specific catalyst identified.

  • Completed a $2.0 billion senior-notes offering on August 6 for general corporate purposes, including debt repayment.
  • Strong second-quarter earnings and a raised 2026 outlook were reported July 30, but available coverage does not directly connect them to this move.