How much did MU move each index today?
S&P 500: MU moved +0.70% and contributed +0.8 points against the index's −7.8-point move, offsetting 11% of it, ranking #499 of 503 members by contribution to the move.
NASDAQ 100: MU moved +0.70% and contributed +4.8 points against the index's −143.0-point move, offsetting 3% of it, ranking #99 of 102 members by contribution to the move.
XLK: MU moved +0.70% and contributed +0.05 points of the index's +0.28-point move (18% of it), ranking #7 of 73 members by contribution to the move.
SMH: MU moved +0.70% and contributed +0.19 points against the index's −2.66-point move, offsetting 7% of it, ranking #23 of 25 members by contribution to the move.
MU closed the 2026-08-25 session at 932.97; that day's move sits in the 63th percentile of its own past year. The stock is 23.1% below its 52-week closing high and +227.0% for the year so far.
MU in the S&P 500 beyond today
| window | MU return | points contributed | index move | rank |
|---|---|---|---|---|
| 1 week | −0.83% | −1.0 pts | −14.5 pts | #27 of 503 |
| 1 month | +3.64% | +3.9 pts | +264.1 pts | #19 of 503 |
| quarter to date | −19.16% | −23.8 pts | +177.9 pts | #502 of 503 |
| year to date | +227.04% | +74.7 pts | +831.8 pts | #2 of 503 |
Who moved with and against MU today?
On MU's side of the S&P 500 tape: AAPL (+6.1 pts), MSFT (+2.3 pts), META (+1.9 pts). Pulling the other way: NVDA (−7.6 pts), LLY (−4.1 pts), GOOGL (−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/MU, free to cite with attribution.