For those of you who haven't heard about this, CNN has a bit more facts in it's coverage:
http://edition.cnn.com/2011/10/06/politics/occupy-wall-stree...
The full impact of the greek default hasn't hit yet and it is not unreasonable to expect that Italy or Spain may default next. People have already started leaderless protests. Meanwhile - it's pretty easy to make money on the way down assuming you have it to begin with.
It is not hard to predict some pretty big changes in the next few years.