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Technology Stocks : Applied Materials No-Politics Thread (AMAT)
AMAT 295.83+4.1%Jan 6 3:59 PM EST
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From: Gottfried12/21/2005 11:59:52 AM
   of 25522
 
AMAT index effect
For a price-weighted index, the index effect is the sum of all stock prices for the particular index, divided by the particular stock price. For example, the index effect for a stock that is a member of the Dow Jones Industrial Average Index is calculated by adding all the latest prices for all the stocks in the Dow Jones Industrial Average Index, and then dividing the sum by the latest price of the particular stock.)

moneycentral.msn.com

PS: the site gives the index effect for SOX as 3.5% - so I think the above formula need to be inverted
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