How much did COHR move each index today?
S&P 500: COHR moved +0.49% and contributed +0.0 points against the index's −11.3-point move, offsetting 0% of it, ranking #348 of 503 members by contribution to the move.
XLK: COHR moved +0.49% and contributed +0.00 points of the index's +0.24-point move (1% of it), ranking #35 of 73 members by contribution to the move.
COHR closed the 2026-08-25 session at 288.41; that day's move sits in the 81th percentile of its own past year. The stock is 32.4% below its 52-week closing high and +56.3% for the year so far.
COHR in the S&P 500 beyond today
| window | COHR return | points contributed | index move | rank |
|---|---|---|---|---|
| 1 week | −5.88% | −0.4 pts | −14.5 pts | #60 of 503 |
| 1 month | +6.30% | −0.2 pts | +264.1 pts | #383 of 503 |
| quarter to date | −26.89% | −2.5 pts | +177.9 pts | #476 of 503 |
| year to date | +56.26% | +1.3 pts | +831.8 pts | #119 of 503 |
Who moved with and against COHR today?
On COHR's side of the S&P 500 tape: AAPL (+5.5 pts), MSFT (+2.3 pts), META (+1.8 pts). Pulling the other way: NVDA (−8.5 pts), GOOGL (−4.5 pts), LLY (−3.8 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/COHR, free to cite with attribution.