http://www.guerillastocktrading.com/lessons/swing-trading-for-a-living-from-home/ It's institutional traders that cause 2 to 4 day trends to form in the stock market. Retail traders are too small and don't have the buying power to cause trends to form. In stocks that are primarily traded by retail traders, they'll pop for a day, then come crashing down. Penny stock pumpers often cause short term trends to form but it's too dangerous trying to time when to buy and when to get out. This is why you should be picking stocks between $100 million and $2 billion in market cap that attract institutional traders.
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