To show that Graham’s observations are perennially true, we can substitute Microsoft for IBM and Cisco for Texas Instruments. Thirty years apart, the results are uncannily similar: Microsoft’s stock dropped 55.7% from 2000 through 2002, while Cisco’s stock―which had risen roughly 50-fold over the previous six years―lost 76% of its value from 2000 through 2002. As with Texas Instruments, the drop in Cisco’s stock price was sharper than the fall in its earnings, which dropped just 39.2% (comparing the three-year average for 1997–1999 against 2000–2002). As always, the hotter they are, the harder they fall.
The Intelligent Investor – Chapter 5, footnotes

先週と今週で6%ほどドローダウンした私のポートフォリオ。これらの言葉をよく噛みしめないといけません。こんなに露骨な成長株は持ってないけれど。。
PERが高かろうと低かろうと、その銘柄の価格が一気に伸びればそれは成長株なのでしょう。伸びる速度が早ければ下落も早いことが分かります。したがって直近急伸したBS11、エスクリ、毎日コムネットの下げはきつくなって当然。一度売っておくくらいが賢かったかもしれません。

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