From the recent PBS Special on Quant Trading If GS bet against housing in 2006 -- what was their relationship with Abitibi at that time. Naked Shorts? and Front Running their own clients? Link to the video http://www.pbs.org/newshour/economy/makingsense/ http://finance.yahoo.com/tech-ticker/rise-of-the-machines-how-%22quant%22-trading-triggered-the-credit-crisis-422940.html?tickers=XLF,FAS,FAZ,GS,JPM,MS,AIG&sec=topStories&pos=8&asset=&ccode=&sec=topStories&pos=9&asset=&ccode=