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Fire Your Stock Analyst!: Analyzing Stocks on Your Own by Harry Domash

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The Zen of Screening

It takes some practice to become proficient at screening. When you run your first screens you’ll probably come up with no hits because you’ve specified too many parameters and/or made your requirements too tight. It’s hard to determine which requirements are causing the problem when that happens. It’s easier to go the other way. That is, start with just a few parameters and relatively loose requirements so that you get too many hits. Then add parameters and tighten requirements one-by-one until your screen comes up with a reasonable number of candidates to research, say 15 to 30 stocks.

After you’ve done some preliminary research, you probably won’t be happy with many of the stocks in your first group of candidates. If that’s ...

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