lots of his activities these days are in derivatives.
He plays derivatives all the time
所有跟帖:
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BRK's derivative activities seem to be winding down
-rx300-
♂
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05/07/2012 postreply
18:36:47
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He was blindsided by huge derivatives when Birkshire Hathaway
-Jeepster-
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05/07/2012 postreply
18:47:00