Key Takeaways W.R. Berkley's Q3 operating income rose 18.3% year over year to $1.10 per share.Revenues grew 8.2$3.6 billion, fueled by higher premiums and investment income.Net premiums written climbed 5.5% to $3.4 billion, driven by strength across key lines.W.R. Berkley Corporation's (WRB) third-quarter 2025 operating income of$1.10 per share beat the Zacks Consensus Estimate of $1.03 per share by 2.8%. The bottom line increased 18.3% year over year. The insurer benefited from continued strength in ...