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Hi SKC


Just to take this a little further. Accept everything you say about the rebalancing producing a higher return then a buy and hold of whatever made up the index in 1910 - you would probably be left tracking nothing today.


But I'm not sure that is the point for me. Its more along the lines is the N/E depicted by the index aided by the selection process of the constituents. ie is it giving me a picture of the underlying environment or is capitalisation as a stock selection process adding (detracting) from the picture.


Across the entire market companies come and go - I think the XAO covers a fair proportion of the market movement ~95% of capitalisation at the moment, not sure if it has always been that high. I,m not sure that what it doesn't capture - the 5% where companies are born and die or just plain small would alter the picture significantly and if they alter it at all what's the net effect.


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