$BTC The biggest "reassurance sign" you can find in any stock is that the price is exploding upward... while valuations are shrinking downward.
Nvidia's chart ($NVDA) today exemplifies this situation perfectly.
The stock is trading at a historic high around $191,
but the paradox lies in the "price-to-earnings ratio" (P/E);
after investors were willing to pay 155 times earnings previously,
they are now paying only 45 times.
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This is the fundamental difference between a "bubble" and "real growth":
In a bubble:
Price outpaces earnings by a large margin, causing the P/E to inflate until it