中证港股通50指数下跌0.73%

Core Viewpoint - The China Securities Index 50 (CSI 50) index, which reflects the performance of the largest 50 companies eligible for the Hong Kong Stock Connect, has shown significant growth, with a year-to-date increase of 19.87% [1]. Group 1: Index Performance - The CSI Hong Kong Stock Connect 50 index opened lower and fell by 0.73%, closing at 3528.46 points with a trading volume of 79.73 billion yuan [1]. - Over the past month, the CSI Hong Kong Stock Connect 50 index has increased by 11.88%, and over the past three months, it has risen by 5.41% [1]. Group 2: Index Composition and Adjustments - The CSI Hong Kong Stock Connect 50 index is composed of the largest 50 listed companies within the Hong Kong Stock Connect range, established with a base date of November 14, 2014, and a base point of 3000.0 [1]. - The index samples are adjusted biannually, with adjustments occurring on the next trading day after the second Friday of June and December each year [2]. - New samples ranked within the top 40 are prioritized for inclusion, while those ranked below 60 are prioritized for removal [2]. - The index can undergo temporary adjustments in special circumstances, such as when a sample company is delisted or when a new company ranks in the top ten by market capitalization within the Hong Kong Stock Connect range [2].