中华港股通优选50指数收报3172.5636点，跌幅0.31%

Core Viewpoint - The China Hong Kong Stock Connect Preferred 50 Index closed at 3172.5636 points on July 29, experiencing a decline of 9.79 points or 0.31% [1] Group 1: Index Performance - The index reached a high of 3173.2934 points and a low of 3141.1959 points during the trading day [1] - The China Hong Kong Stock Connect Preferred 50 Index was launched on January 4, 2018, with a base value of 2000 points and consists of 50 constituent stocks [1] Group 2: Selection Criteria - The index selects stocks from the eligible list of the Hong Kong Stock Connect, specifically the top 50 stocks by market capitalization [1]