With Nasdaq seeking US regulatory approval to extend its trading hours to 23 hours, some industry players believe local bourse operator Hong Kong Exchanges and Clearing (HKEX) will need to consider a similar move for certain products to enhance its competitiveness. HKEX chief executive Bonnie Chan Yiting did not mention trading hours in her blog on Monday, but she did say the bourse operator would expand into digital currencies and tokenisation over the next decade, which analysts pointed out were the typ ...