Suspicious trading in airline and insurance stock took place prior to the 9/11 disaster. Investigations were promised. This BBC article
http://news.bbc.co.uk/hi/english/business/newsid_1558000/1558586.stm
promised results prior to 10/16. I read a lot of news but have seen any follow-up. Have you?
Make that “I have NOT seen any follow-up.”
Check out manhattan’s reply to this question here:
http://boards.straightdope.com/sdmb/showthread.php?threadid=96584