** U.S.-listed shares of insurer Chubb CB.BN , CB.N climb
over 9% to $277 in premarket trading
** Warren Buffett's Berkshire Hathaway BRKa.N disclosed
its stake of nearly 26 mln shares worth ~$6.72 bln as of March
31
** CB among the top 10 holdings in BRKa's portfolio
** Berkshire began buying CB shares in last year's Q3,
obtaining the U.S. Securities and Exchange Commission's
permission to temporarily keep its purchases confidential
** 13 out of 25 analysts rate stock as "buy" or higher, 11
"hold" and one "sell"; median PT $275
** As of last close, stock up ~12% YTD vs 11.3% rise in
benchmark S&P 500 .SPX
(Reporting by Nikhil Sharma in Bengaluru)
((nikhil.sharma@thomsonreuters.com))