How much did PWR move each index today?
S&P 500: PWR moved −2.15% and contributed −0.3 points against the index's +24.4-point move, offsetting 1% of it, ranking #475 of 503 members by contribution to the move.
XLI: PWR moved −2.15% and contributed −0.06 points of the index's −0.60-point move (11% of it), ranking #4 of 83 members by contribution to the move.
PWR closed the 2026-08-25 session at 603.49; that day's move sits in the 15th percentile of its own past year. The stock is 23.1% below its 52-week closing high and +43.1% for the year so far.
PWR in the S&P 500 beyond today
| window | PWR return | points contributed | index move | rank |
|---|---|---|---|---|
| 1 week | −13.31% | −1.7 pts | −14.5 pts | #18 of 503 |
| 1 month | −2.71% | −0.4 pts | +264.1 pts | #430 of 503 |
| quarter to date | −16.17% | −1.9 pts | +177.9 pts | #470 of 503 |
| year to date | +43.07% | +3.1 pts | +831.8 pts | #71 of 503 |
Who moved with and against PWR today?
On PWR's side of the S&P 500 tape: XOM (−1.8 pts), LLY (−1.3 pts), AMZN (−1.3 pts). Pulling the other way: NVDA (+13.8 pts), AMD (+4.4 pts), MSFT (+4.1 pts).
Every member's contribution, top to bottom, is on the index dashboards; the day's story is in the market-close note. Machine-readable figures for this stock: /api/stock/PWR, free to cite with attribution.