Arch Capital Group Ltd. (ACGL) reported first-quarter 2025 operating income of $1.54 per share, which beat the Zacks Consensus Estimate by 12.4%. The bottom line, however, declined 37.1% year over year. The results benefited from higher premiums across its Insurance and Reinsurance segments and improved net investment income. It was offset by poor underwriting income and wider catastrophic losses (Find the latest EPS estimates and surprises on Zacks Earnings Calendar.)Behind the HeadlineGross premiums writt ...