Arthur J. Gallagher & Co. (AJG) is slated to report fourth-quarter 2023 earnings on Jan 25, after market close. The insurer delivered an earnings surprise in each of the last four reported quarters, the average beat being 2.20%.Factors to ConsiderSolid results in both segments, aided by new business, strong retention and increasing renewal premiums across its business lines, are likely to benefit Arthur J. Gallagher’s fourth-quarter results.Revenues associated with acquisitions, the organic change in base c ...