How much did COO move each index today?
S&P 500: COO moved −3.64% and contributed −0.1 points against the index's +24.4-point move, offsetting 0% of it, ranking #401 of 503 members by contribution to the move.
XLV: COO moved −3.64% and contributed −0.02 points against the index's +0.60-point move, offsetting 3% of it, ranking #49 of 59 members by contribution to the move.
COO closed the 2026-08-25 session at 73.04; that day's move sits in the 2nd percentile of its own past year. The stock is 13.4% below its 52-week closing high and −10.9% for the year so far.
COO in the S&P 500 beyond today
| window | COO return | points contributed | index move | rank |
|---|---|---|---|---|
| 1 week | −3.59% | −0.1 pts | −14.5 pts | #159 of 503 |
| 1 month | +3.91% | +0.1 pts | +264.1 pts | #232 of 503 |
| quarter to date | +1.85% | +0.0 pts | +177.9 pts | #267 of 503 |
| year to date | −10.88% | −0.3 pts | +831.8 pts | #389 of 503 |
Who moved with and against COO today?
On COO's side of the S&P 500 tape: XOM (−1.8 pts), LLY (−1.3 pts), AMZN (−1.3 pts). Pulling the other way: NVDA (+13.8 pts), AMD (+4.4 pts), MSFT (+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/COO, free to cite with attribution.