MRSH ▼ -1.4% - Marsh & McLennan Companies, Inc. $MRSH - Marsh to Host Third Quarter Earnings Investor Call on October 15 Marsh & McLennan Companies shares fell 1.4% today following the announcement that the company will host its third quarter earnings call on October 15. The stock's decline may reflect investor positioning ahead of the earnings release, though no financial results or guidance were disclosed in the announcement. 17-SEP-2026 12:32 PM ET