How much did MCO move each index today?
S&P 500: MCO moved +0.35% and contributed +0.0 points of the index's +0.5-point move, ranking #163 of 503 members by contribution to the move.
XLF: MCO moved +0.35% and contributed +0.00 points against the index's −0.05-point move, offsetting 4% of it, ranking #54 of 76 members by contribution to the move.
MCO closed the 2026-08-25 session at 512.97; that day's move sits in the 57th percentile of its own past year. The stock is 4.9% below its 52-week closing high and +0.9% for the year so far.
MCO in the S&P 500 beyond today
| window | MCO return | points contributed | index move | rank |
|---|---|---|---|---|
| 1 week | +5.60% | +0.5 pts | −14.5 pts | #451 of 503 |
| 1 month | +5.78% | +0.5 pts | +264.1 pts | #116 of 503 |
| quarter to date | +13.26% | +1.0 pts | +177.9 pts | #98 of 503 |
| year to date | +0.88% | −0.0 pts | +831.8 pts | #332 of 503 |
Who moved with and against MCO today?
On MCO's side of the S&P 500 tape: AAPL (+6.1 pts), MSFT (+3.8 pts), META (+1.5 pts). Pulling the other way: NVDA (−8.6 pts), LLY (−4.1 pts), GOOGL (−3.4 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/MCO, free to cite with attribution.