Wall Street has its share of contradictions, like the fact that a stock rising in price actually increases the demand for that stock, and vice versa. It appears that investors like to own perceived winners and tend to avoid perceived losers. This contradiction goes some way to explaining the wild momentum and volatility seen in the growth stock sector.

Veteran investors know that it doesn't pay off over the long term to blindly chase returns. They also know that sometimes a stock's rally can be a signal of enduring competitive strengths. And in the best-case scenario, this value is underappreciated by most of Wall Street and they can take advantage.

That appears to be the situation for Lululemon Athletica (NASDAQ: LULU) and Garmin (NYSE: GRMN), two stocks that have much more room to grow from here.

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Source Fool.com