Rule change in HK to usher in wave of US IPOs John Crabb August 01, 2018 X LinkedIn Email Show more sharing options Copy Link URLCopied! Print X LinkedIn Email Changes allowing pre-revenue companies to list on the HKEx means that a number of biotech companies are likely to list on the exchange 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