Core Viewpoint - The removal of certain stocks from the Hong Kong Stock Connect list has led to significant declines in their share prices, indicating a negative market reaction to the index adjustments [1] Group 1: Stock Performance - Yisou Technology (02550) experienced a drop of 31.53%, trading at HKD 3.17 [1] - Meizhong Jiahe (02453) fell by 25.32%, with a price of HKD 3.54 [1] - Guancheng Watch and Jewelry (00256) decreased by 22.71%, now at HKD 0.228 [1] - Sipai Health (00314) saw a decline of 13.6%, trading at HKD 4.7 [1] Group 2: Market Announcement - The Shanghai Stock Exchange and Shenzhen Stock Exchange announced adjustments to the constituent stocks of the Hang Seng Composite Large, Mid, and Small Cap Indices, effective from September 8 [1] - A total of 20 stocks, including Yisou Technology, Meizhong Jiahe, Guancheng Watch and Jewelry, and Sipai Health, were removed from the Hong Kong Stock Connect eligible securities list [1]

Core Viewpoint - The Shenzhen Stock Exchange announced adjustments to the Hong Kong Stock Connect eligible securities list, effective from September 8, 2025, due to periodic changes in the Hang Seng Composite Large, Medium, and Small Cap Indices [1]. Group 1: Adjustments to the Eligible Securities List - The following companies are added to the Hong Kong Stock Connect eligible securities list: China Foods (00506), Boleton (01333), and Huiju Technology (01729) [1]. - Additional companies included in the adjustments are: Jin Jing New Energy (01783), Bi Gui Wang (02007), Kangnait Optical (02276), and others, totaling 20 companies added [2]. - Companies removed from the eligible securities list include: Crown City Watch and Jewelry (00256), Sipai Health (00314), and Café de Coral Group (00341), among others, totaling 15 companies removed [2][3].

Core Viewpoint - The Shenzhen Stock Exchange announced adjustments to the sample stocks of major indices including the Shenzhen Component Index, ChiNext Index, and Shenzhen 100 Index, effective June 16, 2025, with a total of 20, 8, and 3 stocks being adjusted respectively [1][3]. Group 1: Shenzhen Component Index Adjustments - The Shenzhen Component Index will see 20 stocks added, including Zhongtung High-tech, Gansu Energy, Sichuan Jiuzhou, and others [4][5]. - Stocks being removed from the Shenzhen Component Index include Nanbo A, Tianmao Group, and others [5]. Group 2: ChiNext Index Adjustments - The ChiNext Index will add 8 stocks, such as BlueFocus and Changying Precision [6]. - Stocks being removed from the ChiNext Index include Anke Bio and Gangyan High-tech [6]. Group 3: Shenzhen 100 Index Adjustments - The Shenzhen 100 Index will add 3 stocks, including Lingyi Zhi Zao and Runze Technology [7]. - Stocks being removed from the Shenzhen 100 Index include TCL Zhonghuan and Nasda [7]. Group 4: Other Index Adjustments - The ChiNext 50 Index will add stocks like Robot and BlueFocus, while removing stocks such as Lepu Medical and Oriental Sunrise [7]. - The Shenzhen 50 Index and Shenzhen Main Board 50 Index also underwent adjustments, with various stocks being added and removed [12]. Group 5: Hong Kong Stock Connect Adjustments - The Hong Kong Stock Connect also saw adjustments, with changes to the eligible securities list effective June 3, 2025, including the addition of Fuzhikang Group and Junda Shares [9].

Group 1 - Shandong Molong's stock price surged over 200%, reaching a peak of 5.25 HKD per share following the announcement of its inclusion in the Hong Kong Stock Connect program [2] - The Shenzhen Stock Exchange announced the adjustment of the Hong Kong Stock Connect eligible securities list, effective from May 6, 2025, due to the removal of other risk warnings on Shandong Molong's A-shares [2][5] - Shandong Molong's A-shares also performed well, hitting the daily limit up at 4.35 CNY per share after the removal of the risk warning and the change of its stock name from "ST Molong" to "Shandong Molong" [5] Group 2 - The inclusion in the Hong Kong Stock Connect is expected to improve liquidity and attract more mainland investors, potentially leading to increased capital inflows from passive funds [6] - Historical data indicates that stocks added to the Hong Kong Stock Connect often experience significant price movements, with a median excess return of 1.9% during the adjustment period [9]