1. Both have been investigating possible insider trading of ImClone shares since January. 2. It is also investigating possible insider trading. 3. Levitt said Wednesday that the commission was investigating possible insider trading among participants in the market for high-yield corporate bonds. 4. Newkirk in December said the SEC was continuing to investigate possible insider trading prior to the TCI merger announcements. 5. The SEC in December said it was investigating insider trading in the proposed merger of Bell Atlantic and TCI and the completed merger of TCI with Liberty Media. 6. The Securities and Exchange Commission and the National Association of Securities Dealers declined to say if they were investigating insider trading in U.S. Healthcare. 7. Swiss banking commission investigates insider dealing before U.S. |