The "never buy into an uptrend" is a misonomer. If you have a stock in a major uptrend then there is no problem with buying high and selling higher. You watch your protective stops and use the charts for support and resistance points.
I don't spend ALOT of time watching stocks moving down though I do on ocassion "bottom fish". I have found it benefits to pay attention to those stocks that are moving up or leading the market and ask yourself; "Why?" Just throwing that out there. Have a great day
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