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Computerized Investing > Second Quarter 2013

A CAN SLIM Screen With No Float but Plenty of Lift

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by Wayne A. Thorp, CFA

One of the most popular elements of AAII membership is the Stock Screens area of AAII.com. Here, you can track the hypothetical performance of over 60 different stock investing strategies. Arguably one of the most-followed methodologies is that of William O’Neil. Back in the mid-1990s, the founder of Investor’s Business Daily published the book “How to Make Money in Stocks: A Winning System in Good Times or Bad” (now in its fourth edition: McGraw-Hill, 2009). In it, he outlined an approach based on the characteristics common to “every big winning stock each year since 1953.” This approach, which he called CAN SLIM, focuses on companies with a proven record of growth showing strong relative price strength and support from leading institutions.

In the July 1996 issue of the AAII Journal, former editor Maria Crawford Scott outlined O’Neil’s CAN SLIM approach based on the second edition of his book. Shortly thereafter, in the July/August 1996 issue of Computerized Investing, former editor and current AAII President John Bajkowski developed a stock screen based on the criteria O’Neil discussed in his book. Over the years, much has been written about the CAN SIM methodology in various AAII publications, so I won’t go into too much detail as to the system’s underlying characteristics. You can learn more about the screen and the criteria O’Neil developed by visiting the Stock Screens area of AAII.com (www.aaii.com/stock-screens).

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