侃股：如何看待沪深300ETF大扩容

Group 1 - The core viewpoint is that the CSI 300 ETF has experienced significant growth, with a total scale increase of nearly 400 billion yuan over the past year, making it one of the most关注的 categories in the broad-based ETF market this year [1] - The substantial growth of the CSI 300 ETF is attributed to its unique positioning as a market stabilizer, covering the 300 largest and most liquid stocks in the Shanghai and Shenzhen markets, which effectively reduces the risk of individual stock "black swan" events through diversified investment [1][2] - The CSI 300 ETF's appeal to both institutional and retail investors is driven by its ability to provide a convenient way to invest in core Chinese assets, especially as the A-share market experiences increased stock differentiation and challenges in stock selection for ordinary investors [2] Group 2 - The expansion of the CSI 300 ETF is a result of multiple factors, including regulatory support for long-term capital entering the market and the rapid development of derivative markets, which have enhanced the strategic value of the ETF [2] - The rise of passive investment strategies globally has also contributed to the CSI 300 ETF's growth, as it aligns with investors' pursuit of certainty in returns, particularly during market volatility [2] - The explosive growth of the CSI 300 ETF provides insights into the long-term investment value of core assets, as its constituent stocks are primarily industry leaders with significant profitability and growth potential, offering investors a channel to share in China's high-quality economic development [3]