Lehman Brothers Credit Default Swap auction results are coming out after 2PM EST.
There was some $600 Billion in CDS that they had, leveraged at 20:1 gets you up to $1.2 to $1.5 TRILLION DOLLARS!!!
Cash settlement.
Thus, have to raise cash by selling stocks, in order to pay off on the 90 cents on the dollar insurance of the CDS that you sold.