投资者如何看待A股走牛的结构与延续性？

Group 1 - The A-share market has shown strong performance since the beginning of 2026, with a steady increase in trading volume and margin financing balance, indicating a robust market sentiment and activity [1][2] - The increase in trading volume is characterized by a gradual upward trend rather than impulsive spikes, suggesting a stable market rally [1] - The margin financing balance has reached historical highs, but the proportion of margin financing relative to the A-share market capitalization remains low, indicating rational use of leverage [4] Group 2 - The driving forces behind the current A-share market rally have shifted, with macroeconomic indicators such as the manufacturing PMI returning to expansion territory and significant government investment plans enhancing growth expectations [2] - There is a notable shift in capital preferences towards sectors like cultural media, small metals, semiconductors, and AI applications, reflecting a move from traditional defensive blue-chip stocks to growth-oriented sectors [2] - International capital has become a significant bullish force in the market, with major investment banks expressing optimism about the Chinese stock market [3] Group 3 - Different types of capital are playing varied roles in the current market, with domestic long-term capital showing strong support for equity investments, particularly from insurance funds [3] - The "national team" represented by Central Huijin has increased its holdings significantly, particularly in ETFs, indicating confidence in the market [3] - Institutional investors are advised to adopt diversified strategies, focusing on undervalued, high-dividend assets while also allocating a portion of their portfolio to high-growth sectors [5][6] Group 4 - Market sentiment remains high, but there are potential risks and challenges that need to be monitored, particularly regarding the sustainability of the upward trend in corporate earnings [4] - The market's future trajectory will depend on the alignment between corporate valuation recovery and fundamental improvements [4] - Investors are encouraged to develop differentiated strategies based on their risk tolerance and investment horizons, with a focus on rational investment practices [5][6][7]