Over the weekend, many of the news outlets were reporting that insiders believe the Fed will have to bail out the troubled lenders. About an hour ago, CNN reported Fannie and Freddie down 18% in Monday's early afternoon trading. As of this posting Freddie shares were trading at $4.90 and Fannie $6.50.
Here is the article:
http://money.cnn.com/2008/08/18/news/companies/fannie_freddie/?postversion=2008081812
As the article notes, both companies' stock are down 80% since January 2008.