Arch Capital Group Ltd. has reported an impressive operating income of $2.98 per share for the fourth quarter of 2025, beating the Zacks Consensus Estimate by 19.7%. The company generated $1.1 billion in after-tax operating income, reflecting a 26% year-over-year increase, and achieved a record underwriting income of $1.6 billion in reinsurance. With a market capitalization of approximately $35.85 billion, Arch Capital's stock has shown a 5.83% gain over the last month and a 7.21% rise over the past year, although strategic asset acquisitions are currently considered unlikely.