Key Takeaways RLI's Q3 operating earnings rose 27.7% year over year, topping estimates by 33.9%.Higher net premiums and 12.5% investment income growth drove a 5.3% revenue increase.Underwriting income jumped 48.6% as the combined ratio improved 450 basis points to 85.1.RLI Corp. (RLI) reported third-quarter 2025 operating earnings of 83 cents per share, which beat the Zacks Consensus Estimate by 33.9%.  The bottom line increased 27.7% from the prior-year quarter. The quarterly results reflect higher net pre ...