Quanta Services Inc. (PWR) closed at $652.20 on September 30, 2026, gaining 1.20% over the prior 24-hour period. The move added to a week of steady appreciation, with the stock up 1.49% over the past seven days.
The broader 30-day picture shows a more pronounced advance, with shares rising 8.21% over that stretch. The gains have pushed Quanta's market capitalization to $96.88 billion, reflecting the stock's sustained upward momentum across multiple timeframes.
Quanta Services provides specialty contracting services across utility, energy, and telecommunications infrastructure markets. The company's shares have outpaced the shorter-term daily and weekly moves when measured against the month-long performance window.
As of the September 30, 2026 close, PWR's price of $652.20 represents the culmination of incremental gains logged across daily, weekly, and monthly intervals, positioning the stock at the higher end of its recent trading range.



