** Shares of China's assisted reproductive services provider Jinxin Fertility Group Ltd rise as much as 13.6% to HK$20.90, their biggest intraday percentage gain since May 31
** Stock, the eighth biggest percentage gainer on the Hong Kong bourse, hits its highest since June 4
** The Sichuan-based company says its unit has agreed to buy a 10% stake in Guangdong Kangzhi Hospital Management Co Ltd from Honz Pharmaceutical Co Ltd for 37.7 mln yuan ($5.8 mln)
** Says its 15%-owned Tianjin Binhai Yuanxian Management Consulting Center will buy from Honz and certain independent third parties 90% of Guangdong Kangzhi Hospital, and stakes in Yunnan Jiuzhou Hospital and Kunming Hewanjia Obstetrics and Gynecology Hospital
** Says the acquisitions will expand productivity and capacity of its network in mainland China
** Shenzhen shares of Honz rise 1.4%
** The Hong Kong Hang Seng Commerce & Industry Index slips 0.4%, while the healthcare index rises 1.7%
** The Hang Seng China enterprises index slides 0.8% and the benchmark index drops 1.1%
** As of last close, the stock had surged 16.5% this year