Brief: Arthur J. Gallagher & Co. Acquires Tresidder Insurance Brokers
April 1 (Reuters) - Arthur J. Gallagher & Co. AJG.N: ARTHUR J. GALLAGHER & CO. ACQUIRES TRESIDDER INSURANCE BROKERS ARTHUR J. GALLAGHER & CO. - TERMS OF THE TRANSACTION NOT DISCLOSED Source text: ID:nPn3vYC0Ca Further company coverage: AJG.N ((Reuters.Briefs@thomsonreuters.com;))