ROLLING MEADOWS, Ill., Jan. 24, 2024 /PRNewswire/ -- Arthur J. Gallagher & Co. (NYSE: AJG) announced that its Board of Directors declared a sixty cents ($0.60) per share quarterly cash dividend on the company's common stock, a $0.05 increase over the prior quarter's dividend.  The dividend will be payable on March 15, 2024 to Stockholders of Record as of March 1, 2024. Arthur J. Gallagher & Co. (NYSE:AJG), a global insurance brokerage, risk management and consulting services firm, is headquartered in Rollin ...