Hong Kong Exchanges and Clearing Limited (HKEx) has published the 17th edition of its quarterly publication, Exchange. This edition includes:

• an update on the renovation of the Stock Exchange's Trading Hall and photos from the Trading Hall Transition Ceremony in mid-July;
  
  
• an overview of the responses to HKEx's consultation paper on listing decision-making;
  
  
• an article on HKEx's plans to change the information dissemination requirements for listed issuers by making newspaper advertisements optional instead of mandatory;
  
  
• an article on HKEx's plans to extend the securities clearing house deadlines for corporate actions;
  
  
• a feature on how to read the open interest statistics published by HKEx's derivatives clearing houses;
  
  
• a feature on handling some of the risks associated with Callable Bull/Bear Contracts, or CBBCs; and
  
  
• a Chat Room conversation with HKEx's head of Risk Management, Vic Tham. Topics include the role of HKEx's Risk Management Committee and the Risk Management Department's work.

Online versions of all editions of the publication are available on the HKEx website (http://www.hkex.com.hk) in the Press Room section.