Global Commercial Insurance Rates Fall 4% in Q3 2025, Marking the Fifth Consecutive Quarterly Decrease Share NEW YORK--(BUSINESS WIRE)--According to the latest Global Insurance Market Index released today by Marsh, the world's leading insurance broker and risk advisor and a business of Marsh McLennan (NYSE: MMC), global commercial insurance rates fell, on average, by 4% in the third quarter of 2025, repeating the 4% decline recorded in Q2 2025. Growing competition among insurers, coupled with favorable rein ...