Another shorting Forbes article:
  While Hammond and Frazer were looking for the                                            mispricings they knew were there, they watched the few                                            remaining skeptics still trying to make money selling short.                                            Why were these managers doing so badly? Sure, the                                            averages were racing, but there were also plenty of                                            individual stocks crumbling from their highs-America                                            Online, Micron Technology and Broderbund Software, to                                            name a few. Short-sellers should have been profiting. Why                                            weren't they?
                                             The former traders made an interesting discovery. For the                                            past five years or so, traditional short-selling strategies                                            have produced disastrous results because investors didn't                                            understand a key point: The fundamental analysis they use                                            to identify overpriced stocks does not work with                                            momentum stocks-in essence, stocks that rise because                                            they've been rising. The bandwagon folks buying these                                            shares care nothing about fundamental analysis and                                            traditional methods of valuing stocks. So these companies'                                            shares do not trade on a fundamental basis. The companies                                            that most appeal to short-sellers, the partners concluded,                                            are those no one should dream of shorting (see "Hands off"                                            table).                                                                                                                                                                                Hammond and Frazer are amazed that so few short-sellers                                            recognized that they have been banging their heads against                                            a wall. What's more, the money managers argue that folks                                            who short-sell momentum stocks actually wind up feeding                                            the frenzy. That's because when the stocks don't go down                                            short-sellers are often forced to cover their positions,                                            driving share prices higher. "People who short momentum                                            stocks," says Frazer, "effectively become momentum                                            players themselves."
                                             As momentum investing gained credibility and investors                                            thronged to the strategy, Hammond and Frazer became                                            more certain a portfolio could be constructed capitalizing                                            on the group think.
                                             After eight months of tinkering with a database of 9,400                                            stocks, the two constructed a portfolio of 100 stocks with                                            poor prospects that trade strictly on fundamentals, not                                            momentum. These stocks would be safe to short, and they                                            deserved to be.
                                             Turning up such candidates in today's roaring market isn't                                            easy. Hammond and Frazer begin their screening process                                            by exempting from their portfolio high-momentum stocks.                                            Then the two scrutinize analysts' recommendations, looking                                            for declining expectations on Wall Street for the companies                                            in question. An increase in genuine short interest in a                                            stock-not the shorting that an arbitrager might employ,                                            such as a hedge against a convertible bond holding-is                                            another characteristic the two look for (see "Okay to                                            short" table). 
 
  This was from 11/96
  Points: 1) Agree with avoid shorting momentum stocks, not matter how rediculous the valuations, e.g. AMZN and other internets. I would think poor relative strength, such as in IBD or 26 week performance, would help avoid high flyers.
  2) Looks like they use recent analysist's downgrades.  Zacks uses this in their rankings.  Could probably find a similar group of stocks with Zacks #5's like banjoman does.
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