RE:Buffett holds 1 stock for 35 yearsYou are precisely correct: "A better strategy would be called 'Buy and Hold as long as the company is fundamentally strong and the money can't be better employed elsewhere.' " A master investor will sell when a position no longer meets criteria (unfavorable change in fundamentals of the company, or a change in valuations) or competition for capital compels the investor to sell one position to enable the purchase of a better candidate.