Quanta Services is trading 5.5% up at $639.46 after third-quarter results beat expectations and management raised its 2026 outlook. - Revenue reached $12.01 billion, and adjusted EPS was $6.06. - Backlog hit a record $63.7 billion, and management increased full-year expectations across all metrics. - The gain on October 29, 2026, comes amid a weaker broader market; company results and guidance are the clearest explanation.