Warren Buffett‘s investment moves are always closely watched, and his recent reveal of Berkshire Hathaway Inc‘s (NYSE:BRK) (NYSE:BRK) acquisition of nearly 26 million shares of Chubb Ltd (NYSE:CB), has sparked interest and speculation in the market. Chubb Stock Soaring On Warren Buffett Investment The news sent Chubb stock soaring over 8% during the premarket session on Thursday. The stake, worth $6.7 billion, has made Chubb Berkshire’s ninth-largest holding as of the end of March. Buffett's Berkshire reveals insurer Chubb as confidential stock it's been buying byu/Puginator instocks Also Read: Chubb Stock Climbs After Berkshire Hathaway Purchases Shares Buffett’s Contrarian Bet Amid ...