VIDEO: Quants - The Alchemists of Wall Street

You are recommended to watch this 47-minute video from a Dutch TV station which attempts an explanatory look into the world of Quants who base their investment decisions on complex mathematical formulas trying to outguess human behaviour.
Quotes like

"you can use formulas to hide the risk"

and

"people always wanted to think that everything was going up. I think they were blinded by their compensation"

should be enough of a primer for this docu with Wall Streets top quant gurus who pair their mathematical genius with a lot of intriguing common sense understanding of markets and humans.