Berkshire Hathaway's insurance operations violated the ‘Noah’ rule in losing $4.1bn in 2001, according to Warren Buffet's typically folksy letter to Berkshire Hathaway's shareholders.
Berkshire Hathaway's insurance operations violated the ‘Noah’ rule in losing $4.1bn in 2001, according to Warren Buffet's typically folksy letter to Berkshire Hathaway's shareholders.