Below is a link to an article about how the twenty top performs...

Below is a link to an article about how the twenty top performs in terms of accumulated wealth have recently performed.

Two things to note. First, that it seems that in terms of ounces of gold they may have not performed so badly; and second, that access to the discount window did not seem to have helped them.

http://www.bloomberg.com/news/2012-03-07/world-s-richest-lose-11-3-billion-as-lakshmi-mittal-falls-out-of-top-20.html