
ACGL · Nasdaq
Arch Capital Group is an insurance group whose activities include property-and-casualty insurance and reinsurance, with mortgage-related insurance also part of its platform. It earns revenue primarily through premiums and investment income, with profitability shaped by underwriting results and investment performance. Its customers are businesses, insurers and mortgage-market participants, served through brokers and other distribution partners. The supplied evidence does not disclose how much each segment contributes, so no segment mix is stated. Arch reported $19.9 billion of FY2025 revenue and $4.4 billion of net income, versus $17.4 billion and $4.3 billion in FY2024.
Arch Capital fell 6.54% over the supplied week, from $106.48 to $99.52. The decline was orderly but persistent at first: the stock slipped to $104.55 on July 29, $101.14 on July 30 and $100.53 on July 31. It then staged a modest reversal, gaining to $101.12 on Aug. 3, before giving back that gain and dropping 1.58% to the weekly endpoint on Aug. 4. The supplied evidence contains no Arch-specific earnings release, contract, management comment or analyst action to explain the selling. It therefore moved without identified company-specific news; no broader market or sector performance was supplied to establish an alternative catalyst.