How much did OMC move each index today?
S&P 500: OMC moved +0.99% and contributed +0.0 points of the index's +3.8-point move (1% of it), ranking #206 of 491 members by contribution to the move.
XLC: OMC moved +0.99% and contributed +0.03 points of the index's +1.23-point move (2% of it), ranking #7 of 22 members by contribution to the move.
OMC closed the 2026-10-09 session at 76.47; that day's move sits in the 52th percentile of its own past year. The stock is 14.0% below its 52-week closing high and −3.3% for the year so far.
OMC in the S&P 500 beyond today
| window | OMC return | points contributed | index move | rank |
|---|---|---|---|---|
| 1 week | +3.13% | +0.1 pts | +88.8 pts | #233 of 503 |
| 1 month | −2.75% | −0.1 pts | +219.8 pts | #296 of 503 |
| quarter to date | +3.86% | +0.1 pts | +160.0 pts | #240 of 503 |
| year to date | −3.32% | −0.1 pts | +966.0 pts | #276 of 503 |
Who moved with and against OMC today?
On OMC's side of the S&P 500 tape: META (+7.2 pts), AAPL (+5.8 pts), MSFT (+5.5 pts). Pulling the other way: NVDA (−8.0 pts), MU (−4.0 pts), AMD (−3.1 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/OMC, free to cite with attribution.