How much did ZTS move each index today?
S&P 500: ZTS moved +0.14% and contributed +0.0 points of the index's +24.4-point move (0% of it), ranking #189 of 503 members by contribution to the move.
XLV: ZTS moved +0.14% and contributed +0.00 points of the index's +0.60-point move (0% of it), ranking #28 of 59 members by contribution to the move.
ZTS closed the 2026-08-25 session at 77.28; that day's move sits in the 58th percentile of its own past year. The stock is 50.7% below its 52-week closing high and −38.0% for the year so far.
ZTS in the S&P 500 beyond today
| window | ZTS return | points contributed | index move | rank |
|---|---|---|---|---|
| 1 week | +4.49% | +0.2 pts | −14.5 pts | #391 of 503 |
| 1 month | +0.47% | +0.1 pts | +264.1 pts | #244 of 503 |
| quarter to date | +8.29% | +0.3 pts | +177.9 pts | #188 of 503 |
| year to date | −38.05% | −2.5 pts | +831.8 pts | #480 of 503 |
Who moved with and against ZTS today?
On ZTS's side of the S&P 500 tape: NVDA (+13.8 pts), AMD (+4.4 pts), MSFT (+4.1 pts). Pulling the other way: XOM (−1.8 pts), LLY (−1.3 pts), AMZN (−1.3 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/ZTS, free to cite with attribution.