In my decades of investing I've never been very good at calling tops or bottoms. Safest way for me to make money is to understand the directionality of a stock. So it doesn't matter to me if I buy at $8 then at $7 and then at $6 because I know it'll head in the right direction eventually and especially with APDN because of its low float.
Above all else, once I get to know a stock like the back of my hand, I know when to pounce on fear that leads to selling that leads to lower SP........because that eventually leads to more profit for me.
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