How much did COR move each index today?
S&P 500: COR moved +0.76% and contributed +0.1 points of the index's +46.2-point move (0% of it), ranking #152 of 491 members by contribution to the move.
XLV: COR moved +0.76% and contributed +0.01 points of the index's +2.66-point move (0% of it), ranking #30 of 59 members by contribution to the move.
COR closed the 2026-10-09 session at 323.78; that day's move sits in the 67th percentile of its own past year. The stock is 13.6% below its 52-week closing high and −3.8% for the year so far.
COR in the S&P 500 beyond today
| window | COR return | points contributed | index move | rank |
|---|---|---|---|---|
| 1 week | +4.77% | +0.3 pts | +88.8 pts | #89 of 503 |
| 1 month | +0.88% | +0.0 pts | +219.8 pts | #186 of 503 |
| quarter to date | +7.84% | +0.5 pts | +160.0 pts | #81 of 503 |
| year to date | −3.75% | −0.3 pts | +966.0 pts | #346 of 503 |
Who moved with and against COR today?
On COR'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/COR, free to cite with attribution.