Berkshire Hathaway, the American multinational conglomerate holding company, has reported increased net underwriting earnings from its insurance and reinsurance businesses of $1.717 billion for the first-quarter of 2026, a roughly 29% increase on the prior year.The company has again cited a competitive property reinsurance market and lower rate environment as a cause of a reduction in premiums written in that segment in Q1 of this year.Helping to bolster performance of the insurance and reinsurance underwri ...