"Plunge Protection Team. They work to ensure the stock markets do not plunge too far too fast. They can purchase lots of index futures and have other tactics.
But not the best question by a long shot since I would say about 1% of Americans have even heard of the Working Group. Failure of campaign, lack of debate preparer, whatever, just not the right question at all."
quote from one of the comments in http://www.dailypaul.com/node/28801#comments