I agree. There certainly are the momentum traders

I agree. There certainly are the momentum traders who jump on board when they see a stock move, without having any idea what the company does. I was in a trading chat room with some very big momentum traders and it always amazed me that they'd just jump in, with NO idea of the company's business.

Then there's the revolving door crowd, pump a stock, dump it near highs, go into another stock, repeat. We seem to have a revolving door with AVXL and I note that AVXL is down big today. Fortunately I sold some of my AVXL near today's top