
Shares of Alphabet GOOGL.O jump 5% in premarket trade after Berkshire Hathaway BRKa.N reveals stake in Google parent
Berkshire says it owns 17.85 mln Alphabet shares as of September 30, worth $4.3 bln - filing
The filing lists Berkshire's U.S.-listed stock holdings, which comprises most of the co's $283.2 bln equity portfolio
Berkshire's investment in Alphabet - its tenth-largest U.S. stock holding - is surprising given Warren Buffett's aversion to tech cos
Investment in GOOGL comes in a portfolio rejig as Berkshire cut its Apple AAPL.O, Bank of America BAC.N and DR Horton DHI.N stake
Apple shares slip 0.1%
Berkshire, however bought more stock in several companies such as Chubb CB.N, Domino's Pizza DPZ.O
BRKa is up 12.2% YTD, while Alphabet up 46%, and Apple is up 8.8%
S&P 500 .SPX up 14.5%, while Nasdaq is up 18.6%