超级巨头，大动作

Group 1 - The core viewpoint of the news is that major ETF players, including Huaxia and E Fund, have submitted applications for the Shanghai Stock Exchange 580 ETF and 380 ETF, indicating new investment opportunities in the expanding ETF market valued at 4 trillion yuan [1][4][5] - The newly introduced SSE 580 Index aims to reflect the overall performance of small-cap stocks in the Shanghai market, with a sample of 580 securities selected based on liquidity and ESG criteria, focusing on small-cap innovation [4][5] - The SSE 580 Index has shown strong growth potential, with a cumulative increase of 48.1% since its base date on December 28, 2018, and an annualized return of 6.46% [5] Group 2 - The SSE 380 Index, which has been optimized, focuses on mid-cap new blue-chip stocks, selecting 380 constituent stocks with a median market capitalization of approximately 183.6 million yuan [6][7] - E Fund emphasizes that the SSE 380 Index aligns with the direction of economic transformation and upgrade, featuring high-revenue growth and stable profitability companies, with nearly 30% being "specialized, refined, distinctive, and innovative" enterprises [7] - The upgrade of the SSE flagship broad-based index system, which now includes the SSE 50, SSE 180, SSE 380, and SSE 580 indices, provides a comprehensive view of the performance of listed companies across different market capitalizations [7]