ROLLING MEADOWS, Ill., Oct. 24, 2024 /PRNewswire/ -- Arthur J. Gallagher & Co. (NYSE: AJG) today reported its financial results for the quarter ended September 30, 2024.  Management will host a webcast conference call to discuss these results on Thursday, October 24, 2024 at 5:15 p.m. ET/4:15 p.m. CT.  To listen to the call, and for printer-friendly formats of this release and the "CFO Commentary" and "Supplemental Quarterly Data," which may also be referenced during the call, please visit ajg.com/IR.  Thes ...