Cisco Systems last week is a powerful example of how some stocks rocket off of a selling climax.

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We obviously just went through an extreme period, that I think we have some good selling climax in.

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The opposite of a buying climax is a selling climax, which is a bullish sign that a stock has bottomed.

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Buying into a selling climax has turned out to be the right thing to do about 80% of the time since 1950.

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The heavy volume suggests a possible short-term selling climax.

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This certainly fit the requirements of a selling climax.

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"Keep in mind that before October, we had 478 stocks in a selling climax, so in most of these small-caps, we've probably seen the bottom already, " says Burke, who thinks some of these stocks are still buys.

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