I think Paparick was looking at this when he made the Scandal sheet
http://www.nytimes.com/2011/08/07/business/neurofinance-shows-how-investors-can-shun-reason.htmlQuote
As the Dow Jones industrial average plunged 513 points last Thursday, then gyrated wildly on Friday, all of Wall Street seemed to be asking the same question: What the heck is going on? Evidence that the American economy is bad and growing worse has been piling up for a while now. And it’s not as if we didn’t know Europe had a debt problem. Why, then, all these crazy swings?