“入通”股频现剧烈波动 多重原因致股价巨震

Core Viewpoint - The recent inclusion of multiple Hong Kong stocks into the Stock Connect program has led to significant price volatility, with stocks experiencing sharp increases followed by drastic declines [1][2][3] Group 1: Stock Performance - After being included in the Stock Connect, stocks like Yaojie Ankang-B saw a price surge of 20.13% on September 8, followed by a staggering drop of 53.73% on September 16 [1] - Baize Medical experienced a price increase of over 27% on September 12, with daily volatility reaching 85.55% on September 16 [2] - Other stocks such as Brain Dynamics-B and Xixiang Group also exhibited similar volatile trends post-inclusion [2] Group 2: Market Reactions - The market attributes the volatility to several factors, including adjustments in index constituents leading to passive buying from related ETFs [3] - The new status of these stocks as Stock Connect eligible has expanded the investor base, bringing in more capital and increasing buying pressure [3] - Speculative trading has also played a role, particularly for stocks in the pharmaceutical sector that have recently made significant announcements [3] Group 3: Trading Volume - The average trading volume of the stocks included in the Stock Connect has surged significantly, with some stocks experiencing increases of several times or even dozens of times compared to their pre-inclusion volumes [2]