The market cap of the top 5 S&P 500 companies:
$4,095,058,706,432
The market cap of the bottom 282 S&P 500 companies:
$4,092,769,755,136
Just in case you wondered where the money and the power really is. Tweeted by Michael Batnick.
Categories: Tech News
McGST 
There are lots of sci fi books, movies, and TV shows that use this sort of thing as the basis for their plot, where a small number of companies run things.
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