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Nearly all of the big financial portals, news sites and e-brokers have a mutual fund screening section.
FORBES: Fund Selection
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Hartsfield-Jackson Atlanta International, the world's busiest airport, offers "Trak-a-Line, " a service that e-mails passengers when there is a change in wait times for security screening.
CNN: Queuing psychology: Can waiting in line be fun?
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One note: Because of the way financial and utility companies are financed (i.e. with large amounts of debt), Greenblatt excludes them from his screening process, so I do the same.
FORBES: Four Magic Formula Buys