How much did AMGN move each index today?
S&P 500: AMGN moved −0.44% and contributed −0.1 points against the index's +0.8-point move, ranking #457 of 503 members by contribution to the move.
NASDAQ 100: AMGN moved −0.44% and contributed −0.7 points of the index's −40.3-point move (2% of it), ranking #25 of 102 members by contribution to the move.
DJIA: AMGN moved −0.44% and contributed −11.6 points of the index's −108.3-point move (11% of it), ranking #8 of 30 members by contribution to the move.
XLV: AMGN moved −0.44% and contributed −0.03 points of the index's −1.70-point move (2% of it), ranking #11 of 59 members by contribution to the move.
XBI: AMGN moved −0.44% and contributed −0.01 points of the index's −0.73-point move (1% of it), ranking #55 of 147 members by contribution to the move.
AMGN closed the 2026-08-25 session at 442.24; that day's move sits in the 37th percentile of its own past year. The stock is 0.4% below its 52-week closing high and +37.1% for the year so far.
AMGN in the S&P 500 beyond today
| window | AMGN return | points contributed | index move | rank |
|---|---|---|---|---|
| 1 week | +4.58% | +1.2 pts | −14.5 pts | #482 of 503 |
| 1 month | +18.21% | +4.4 pts | +264.1 pts | #16 of 503 |
| quarter to date | +22.13% | +5.0 pts | +177.9 pts | #16 of 503 |
| year to date | +37.09% | +6.9 pts | +831.8 pts | #31 of 503 |
Who moved with and against AMGN today?
On AMGN's side of the S&P 500 tape: NVDA (−8.6 pts), LLY (−4.1 pts), GOOGL (−3.4 pts). Pulling the other way: AAPL (+6.1 pts), MSFT (+3.8 pts), META (+1.5 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/AMGN, free to cite with attribution.