Tokio Marine Holdings Inc. said Monday that U.S. investment company Berkshire Hathaway Inc. will take a roughly 2.5 percent stake in the major Japanese nonlife insurer in a capital partnership.The deal, estimated to be worth 287.4 billion yen ($1.8 billion), is expected to help Tokio Marine expand its overseas businesses, an area viewed as having significant growth potential.Berkshire Hathaway, best known for having been led by the legendary investor Warren Buffett, will make the investment through National Indemnity Company, a wholly owned reinsurance subsidiary.Under the tie-up, Tokio Mar…READ FULL ARTICLE