Buffett's top positions in Berkshire Hathaway's portfolio include Apple, American Express, and Bank of America.

Warren Buffett owns over 40 stocks, many of which have been multibaggers. Some of these are no-brainer buys right now.

Even though the “Oracle of Omaha” normally doesn’t touch tech stocks, his Berkshire Hathaway company made a notable exception for Apple — with a stake currently worth about $70 billion. While Apple ...