The challenge of HK pre-IPO investments September 22, 2013 X LinkedIn Email Show more sharing options Copy Link URLCopied! Print X LinkedIn Email Jack Lange of Paul Weiss Rifkind Wharton & Garrison assesses the effectiveness of recent guidance letters issued by the stock exchange on pre-IPO investments Unlock this content. The content you are trying to view is exclusive to our subscribers. To unlock this content: Take a Free Trial or Login