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Biotech / Medical : Biotech Valuation
CRSP 57.37+0.9%3:59 PM EST
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To: Doc Bones who wrote (4248)7/5/2001 8:11:49 AM
From: paul ta   of 52153
 
The market-topology site apparently specializes in discovering and showing groups of stocks that move together in price. Their experience is that these groups are fairly stable month to month. Their graphical method shows not only which stocks move together but how closely they move together and whether each stock in the group rises or falls in price during some specified time period.

Their method does not separate market moves in price from sector moves, nor sector moves from individual stock moves. This additional information would be interesting. Separating these three layers of information might make it possible to cluster individual stocks into groups in a clearer way, one that allows us to see the internal cohesion of the cluster within its sector, and the relative price move of the cluster within the sector.
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