Group 1 - The ETF market has significantly expanded this year, with a total scale increase exceeding 2 trillion yuan as of December 12, 2023, including over 100 billion yuan for four types of index-linked ETFs: Sci-Tech Bonds, CSI 300, Gold, and Hang Seng Tech [1] - The World Gold Council reported that global physical gold ETF inflows reached 5.2 billion USD in November, marking six consecutive months of inflows [1] - Shenzhen Stock Exchange and Shenzhen Securities Information Co., Ltd. announced a regular adjustment of sample stocks for several indices, including the Shenzhen Component Index, ChiNext Index, Shenzhen 100, and ChiNext 50, effective December 15, 2023 [1]