China Tourism Group Duty Free, biggest IPO of 2022, makes lacklustre debut in HK China Tourism Group Duty Free, the world’s largest travel retailer by sales, got off to a lacklustre start on its closely-watched debut on the Hong Kong stock exchange on Thursday. The shares closed at HK$158.00, the same as its initial public offering price. At one point they dropped to HK$120.00 within a few minutes of the start of trading. The Hang Seng Index rose 3.6 per cent to 19,968.38 on Thursday. Trading in the Beijing-based company’s stock was delayed until 1pm on Thursday as severe tropical…