The World Stock Markets don't like uncertainty

And since they don't like uncertainty the worldwide stock markets aren't having fun lately. There are just too many variables to deal with: Global Climate change, deleveraging of all or most economies for the next 10 years or more, the subprime meltdown and aftermath ongoing, Globalization etc. etc. etc.

Each variable as it collides with all the other variables just makes stranger sub-variables. And unfortunately, I don't believe that there is an existing computer model that accounts for enough variables to actually be fully useful during these times. And getting close but being off at all: there's no cigar, because an inch can literally be a mile in forecasts these days.