Warren Buffett’s Berkshire Hathaway reveals insurer Chubb as confidential stock it’s been buying

by Yun Li at cnbc.com Warren Buffett finally revealed his secret stock pick in a new regulatory filing, and it’s insurer Chubb. His conglomerate Berkshire Hathaway has bought nearly 26 million shares of Zurich-based Chubb for a stake worth $6.7 billion. The property and casualty insurer became Berkshire’s ninth biggest holding at the end of March. Shares of […]