S&P 500 Sector Weightings

Ted

FYI:
Regards,
Ted
http://www.bespokeinvest.com/thinkbig/2013/11/25/sp-500-sector-weightings.html?printerFriendly=true

bee

Thanks Ted...Here's a nice way to see how these sectors perform over different time frames.

thumbcharts.com/101592/S-P-500-Sector-Performance

My question:
Does an S&P 500 index fund have a performance / weighting drift that make it less of a value (buylow / sell high) investment?