Specialty insurer Markel Corp said it will buy Alterra Capital HoldingsLtd for about $3 billion in cash and stock to diversify into reinsurance.

Three of the Lloyd's of London insurance market's leading players owned up to a combined loss of about $375 million from superstorm Sandy and warned the final bill could change.

Proposed curbs on insurers aimed at preventing a repeat of AIG's 2008 taxpayer bailout could raise the cost of insurance, making more people dependent on the state, a finance sector lobby group said.

Proposed curbs on insurers aimed at preventing a repeat of AIG's 2008 taxpayer bailout could raise the cost of insurance, making more people dependent on the state, a finance sector lobby group said.

A total of 18 U.S. states are planning to start their own health insurance marketplaces, which will be available to consumers and businesses in 2014, U.S. Health and Human Services Secretary Kathleen Sebelius said in a blog posting on Monday.

A total of 18 U.S. states are planning to start their own health insurance marketplaces, which will be available to consumers and businesses in 2014, U.S. Health and Human Services Secretary Kathleen Sebelius said in a blog posting on Monday.

American International Group Inc may raise as much as $6.5 billion from the sale of its remaining stake in AIA Group Ltd in Asia's second-largest block sale ever, exiting a business the U.S. insurer started nearly 100 years ago.

Zurich estimates that damage claims relating to tropical storm Sandy, which hit the United States in October, will amount to $700 million in its fourth-quarter earnings.