NYT: Goldman Sachs was the largest trading partner of AIG

http://www.nytimes.com/2008/09/28/business/28lloyd.html?ref=business This explains why GS dropped below 100 when AIG was about to go broke. This also explains why Paulson had to save AIG

http://www.forbes.com/afxnewslimited/feeds/afx/2008/09/28/afx5480357.html