Arch Capital Group (ACGL) reported first-quarter 2024 operating income of $2.45 per share, which beat the Zacks Consensus Estimate by 18.9%. The bottom line jumped 41.6% year over year. The results benefited from improved premiums and higher net investment income.Behind the HeadlineGross premiums written improved 24.1% year over year to $5.9 billion. Net premiums written climbed 19.3% year over year to $4.1 billion on higher premiums written across its Insurance and Reinsurance segments as hard market rates ...