How long will the run in growth stocks continue? The Nasdaq-100 continues to make new all-time highs seemingly almost every week. Every dip, no matter how brief, is instantly bought up as traders pile in to profit from further bullish momentum.But trees don’t grow to the sky. At some point, the rally will end. And with the Nasdaq up more than 70% from the 2022 lows, valuations are becoming increasingly untethered from these companies’ underlying fundamentals.As metrics such as price-to-earnings (P/E) and pr ...