HK Stock Market Move | Some popular concept stocks fell in the afternoon, with Bayzed Health (02609) falling over 20% and PharmaEssentia (02617) falling nearly 13%.

Recently, the concept stocks which have been hotly traded by Beishui Capital have fallen in the afternoon. As of the time of publication, Bayzed Health (02609) fell by 19.16% to HK$9.45; Nao Dong Ji Guang (06681) fell by 18.32% to HK$8.56; Transthera-B (02617) fell by 12.62% to HK$182.8. On the news front, in August of this year, Pharmaron Health announced that the company has been selected to be included in some components of the Hang Seng Index series, including the Hang Seng Composite Index, Hang Seng Composite Industry Index-Healthcare, Hang Seng Healthcare Index, Hang Seng Innovation Drug Index, Hang Seng Hong Kong Stock Connect Innovation Drug Index, and other 9 indices, effective from September 8. Due to the recent inclusion of Pharmaron Health in multiple indices, ETFs tracking the index passively bought Pharmaron Health. It is worth noting that the recent roller-coaster stock price fluctuations of Transthera-B have spread to related ETF products, leading to urgent communication between fund companies and index companies. According to Securities Times, on September 15, Guoce Hong Kong Stock Connect Innovation Drug Index implemented a quarterly regular adjustment, including Pharmaron Health in its constituents. Taking the largest Hong Kong Stock Connect Innovation Drug ETF as an example, on September 15, the ETF purchased 3 million shares of Pharmaron Health, with the corresponding amount calculated based on the previous trading day's closing price at approximately HK$578 million, accounting for approximately 2.62% of the fund's net asset value.