How much did ALAB move each index today?
NASDAQ 100: ALAB moved +0.50% and contributed +0.2 points against the index's −87.7-point move, offsetting 0% of it, ranking #70 of 102 members by contribution to the move.
SMH: ALAB moved +0.50% and contributed +0.02 points against the index's −2.10-point move, offsetting 1% of it, ranking #17 of 25 members by contribution to the move.
ALAB closed the 2026-08-25 session at 282.65; that day's move sits in the 63th percentile of its own past year. The stock is 41.5% below its 52-week closing high and +69.9% for the year so far.
ALAB in the NASDAQ 100 beyond today
| window | ALAB return | points contributed | index move | rank |
|---|---|---|---|---|
| 1 week | −6.85% | −5.4 pts | −281.7 pts | #25 of 102 |
| 1 month | +0.05% | −2.7 pts | +1,170.0 pts | #67 of 102 |
| quarter to date | −41.48% | −36.8 pts | −1,067.1 pts | #18 of 102 |
| year to date | +69.90% | −6.4 pts | +3,959.4 pts | #85 of 102 |
Who moved with and against ALAB today?
On ALAB's side of the NASDAQ 100 tape: AAPL (+27.5 pts), META (+25.4 pts), MSFT (+17.0 pts). Pulling the other way: NVDA (−36.3 pts), GOOGL (−32.5 pts), GOOG (−30.9 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/ALAB, free to cite with attribution.