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2026-10-09 · official close

MARSH + MCLENNAN COS (MRSH) and the market

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

How much did MRSH move each index today?

S&P 500: MRSH moved −0.55% and contributed −0.1 points against the index's +46.2-point move, offsetting 0% of it, ranking #439 of 491 members by contribution to the move.

XLF: MRSH moved −0.55% and contributed −0.00 points against the index's +0.50-point move, offsetting 1% of it, ranking #69 of 74 members by contribution to the move.

MRSH closed the 2026-10-09 session at 175.71; that day's move sits in the 37th percentile of its own past year. The stock is 15.1% below its 52-week closing high and −4.3% for the year so far.

MRSH in the S&P 500 beyond today

windowMRSH returnpoints contributedindex moverank
1 week+3.32%+0.3 pts+88.8 pts#97 of 503
1 month−0.32%−0.1 pts+219.8 pts#275 of 503
quarter to date+3.51%+0.3 pts+160.0 pts#112 of 503
year to date−4.34%−0.8 pts+966.0 pts#415 of 503

Who moved with and against MRSH today?

On MRSH's side of the S&P 500 tape: AAPL (−7.0 pts), NVDA (−3.7 pts), VZ (−2.7 pts). Pulling the other way: MSFT (+11.3 pts), AMZN (+10.0 pts), PLTR (+2.8 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/MRSH, free to cite with attribution.

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