China's medical device maker Zylox-Tonbridge shines in Hong Kong debut

** Shares of China's medical device manufacturer Zylox-Tonbridge Medical Technology Co Ltd trade as high as HK$58.75 in their Hong Kong debut, up 37.6% from the IPO price of HK$42.70 apiece

** Stock is third most actively traded by turnover

** The Zhejiang-based maker of medical devices for treatment of neuro and peripheral vascular diseases offered 60 mln H shares in its Hong Kong IPO, raising HK$2.56 bln ($329.6 mln) for R&D, production, commercialization of core products

** The Hong Kong Hang Seng Commerce & Industry Index slips 0.8%, while the healthcare index gains 0.1%

** The Hang Seng China Enterprises Index slides 0.7%, and the benchmark index edges down 0.1%