How do you replace a CEO like Tim Cook or Warren Buffett?
Warren Buffett acquires $6.3 billion stake in Google parent Alphabet
End of an era: Warren Buffett says he’s ‘going quiet’ in his last letter to investors
A wistful farewell to Warren Buffett’s annual letters
Buffett buys $2 billion UnitedHealth stake and sells T-Mobile
Buffett’s Berkshire hit with $4.9 billion Kraft Heinz charge
Warren Buffett donates record $7.7 billion Berkshire shares to Gates Foundation, family charities
