cho, page-51

At age 13 and accumulating already, he will be the envy of all students when at the age of 18 he will have tertiary well and truly paid for and a flock of birds to take to the formal.

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Being fooled by short term random spikes and events will only produce a pure loser in the long term. Thinking about where a business will be and its strengths in what it does best rather than price movements, will distinguish a good business from a great business.
The ability to factor in a rare event is critical regardless of what buisness is purchased.

Also to note, brka and brkb are still going strong. Usually the market puts a negative rating (short term) whilst the favourite sector at the time booms. Think the tech boom, the same day the nasdaq hit the high brka hit the lowest point. A benchmark? I dont know. Something to keep in the back of the mind I guess.