每周主题、产业趋势交易复盘和展望：年内AI二波启动，关注国产算力和应用-20250727

Market Overview - The average daily trading volume of the entire A-share market reached 1.85 trillion CNY, an increase of over 300 billion CNY compared to the previous week[8] - The Shanghai Composite Index experienced a weekly decline of 1.67%[12] Market Style Performance - The ChiNext 50 index led the gains with a weekly increase of 4.63%[12] - Small-cap growth stocks showed a relative advantage over value stocks, maintaining positive returns in the rolling 30-day performance[15] Participant Performance - The Social Security heavy stock index outperformed with a weekly increase of 3.65%[21] - The Fund heavy stock index also performed well, rising by 3.07% during the week[21] Market Sentiment - The total margin trading balance increased to over 1.94 trillion CNY[30] - The number of stocks hitting the daily limit up was 130, indicating a strong market sentiment at the beginning of the week[25] Industry Trends - Key sectors showing strength included semiconductors and renewable energy, driven by domestic policy support and technological advancements[42] - The launch of the Yarlung Tsangpo River hydropower station on July 19 is expected to boost cyclical industries[42] Risk Factors - Economic recovery may not meet expectations, potentially increasing market uncertainty[49] - Geopolitical risks and uncertainties surrounding U.S. policies towards China could negatively impact A-share liquidity[49]