How much did AMGN move each index today?
S&P 500: AMGN moved +1.82% and contributed +0.5 points of the index's +46.2-point move (1% of it), ranking #33 of 491 members by contribution to the move.
NASDAQ 100: AMGN moved +1.82% and contributed +2.2 points of the index's +157.3-point move (1% of it), ranking #22 of 100 members by contribution to the move.
DJIA: AMGN moved +1.82% and contributed +44.2 points of the index's +423.4-point move (10% of it), ranking #6 of 30 members by contribution to the move.
XBI: AMGN moved +1.82% and contributed +0.05 points of the index's +4.46-point move (1% of it), ranking #32 of 154 members by contribution to the move.
XLV: AMGN moved +1.82% and contributed +0.11 points of the index's +2.66-point move (4% of it), ranking #9 of 59 members by contribution to the move.
AMGN closed the 2026-10-09 session at 414.87; that day's move sits in the 87th percentile of its own past year. The stock is 6.6% below its 52-week closing high and +28.6% for the year so far.
AMGN in the S&P 500 beyond today
| window | AMGN return | points contributed | index move | rank |
|---|---|---|---|---|
| 1 week | +2.94% | +0.8 pts | +88.8 pts | #46 of 503 |
| 1 month | +8.47% | +2.0 pts | +219.8 pts | #46 of 503 |
| quarter to date | −1.58% | −0.4 pts | +160.0 pts | #480 of 503 |
| year to date | +28.60% | +4.9 pts | +966.0 pts | #50 of 503 |
Who moved with and against AMGN today?
On AMGN's side of the S&P 500 tape: MSFT (+11.3 pts), AMZN (+10.0 pts), PLTR (+2.8 pts). Pulling the other way: AAPL (−7.0 pts), NVDA (−3.7 pts), VZ (−2.7 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/AMGN, free to cite with attribution.