← The S&P 500 dashboard
2026-08-26 · session in progress, unofficial until close

ARTHUR J GALLAGHER + CO (AJG) and the market

Exact index points AJG contributed this session, under each index's own arithmetic, verified against official closes. New here? Read point contribution, explained.

How much did AJG move each index today?

S&P 500: AJG moved +0.24% and contributed +0.0 points of the index's +6.4-point move (0% of it), ranking #213 of 503 members by contribution to the move.

XLF: AJG moved +0.24% and contributed +0.00 points against the index's −0.09-point move, offsetting 1% of it, ranking #48 of 76 members by contribution to the move.

AJG closed the 2026-08-25 session at 268.53; that day's move sits in the 21th percentile of its own past year. The stock is 13.5% below its 52-week closing high and +4.4% for the year so far.

AJG in the S&P 500 beyond today

windowAJG returnpoints contributedindex moverank
1 week+8.12%+0.6 pts−14.5 pts#462 of 503
1 month+5.99%+0.5 pts+264.1 pts#115 of 503
quarter to date+16.97%+1.1 pts+177.9 pts#88 of 503
year to date+4.42%+0.2 pts+831.8 pts#281 of 503

Who moved with and against AJG today?

On AJG's side of the S&P 500 tape: AAPL (+4.3 pts), MSFT (+3.1 pts), ORCL (+0.9 pts). Pulling the other way: NVDA (−3.6 pts), GOOGL (−2.6 pts), GOOG (−2.2 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/AJG, free to cite with attribution.

Compiled by the WMTMT attribution engine · updates every session · methodology