Group 1 - The A500 index components showed mixed performance, with Huatian Technology leading the gains at 10.02%, followed by Wentai Technology at 5.96% and Shandong Gold at 3.29%, while Desay SV fell [1] - The A500 ETF fund's latest price is 1.15 yuan, with a turnover rate of 19.72% and a trading volume of 3.248 billion yuan, indicating active market trading [1] - As of October 16, the A500 ETF fund had an average daily trading volume of 5.003 billion yuan over the past month, ranking first among comparable funds [1] Group 2 - The A500 index consists of 500 securities selected from various industries based on market capitalization and liquidity, reflecting the overall performance of representative listed companies [2] - As of September 30, 2025, the top ten weighted stocks in the A500 index accounted for 19% of the index, including Ningde Times, Kweichow Moutai, and China Ping An [2] - The A500 ETF fund and its enhanced version closely track the A500 index, with various related index funds available for investment [2]