With few exceptions, eventually valuations that are simply too high will drift back down to more reasonable levels, often at the expense of poor intermediate-term performance. This appears to be true no matter how revolutionary the new business appears to be, and no matter how much potential you believe it has [emphasis added]. Of course, if your conviction is such that you plan on holding your shares for multiple decades, valuation may indeed matter less to long-term returns, but that is assuming you follow through on your commitment. Over several years of sub-par performance, that is much
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