<A HREF="http://www.cio.com/blog_view.html?CID=28631">IBM sold off a chunk of its stake in Lenovo Group,</A> leading the world's third-largest PC vendor to temporarily suspend trading of its shares in Hong Kong on Tuesday. Lenovo spokeswoman Angela Lee said IBM had informed the company it planned to sell a large block of shares but had not provided specific details of the transaction. IBM did not immediately respond to a request for comment.