How much did ALGN move each index today?
S&P 500: ALGN moved +0.45% and contributed +0.0 points of the index's +5.6-point move (0% of it), ranking #274 of 503 members by contribution to the move.
XLV: ALGN moved +0.45% and contributed +0.00 points against the index's −1.45-point move, offsetting 0% of it, ranking #34 of 59 members by contribution to the move.
ALGN closed the 2026-08-25 session at 159.61; that day's move sits in the 50th percentile of its own past year. The stock is 19.2% below its 52-week closing high and +2.2% for the year so far.
ALGN in the S&P 500 beyond today
| window | ALGN return | points contributed | index move | rank |
|---|---|---|---|---|
| 1 week | −4.94% | −0.1 pts | −14.5 pts | #166 of 503 |
| 1 month | −5.02% | −0.1 pts | +264.1 pts | #309 of 503 |
| quarter to date | −5.37% | −0.1 pts | +177.9 pts | #313 of 503 |
| year to date | +2.22% | −0.0 pts | +831.8 pts | #340 of 503 |
Who moved with and against ALGN today?
On ALGN's side of the S&P 500 tape: AAPL (+8.0 pts), MSFT (+2.7 pts), META (+2.4 pts). Pulling the other way: NVDA (−5.9 pts), LLY (−3.8 pts), GOOGL (−3.5 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/ALGN, free to cite with attribution.