If a stock's price shoots up or down, something's going on. Maybe the company has reported better-than-expected financial numbers, and its stock price has risen on the news. Or maybe the stock's price is sinking like a stone after the company announced operational problems, or the loss of a key customer. In either case, you should be aware of any such price swings in the stocks you own.
Rapid price moves aren't necessarily anything to panic about. However, understand why the stock's price moved the way it did. Then, decide what to do. In many cases, you'll probably want to sit tight. Again, if the stock still meets your investment criteria, why sell?
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