突发！又跳水！

Market Overview - The three major A-share indices collectively retreated, with the Shanghai Composite Index down 1.18% and the ChiNext Index down 1.66% [1] - The trading volume in the Shanghai and Shenzhen markets reached 1.936 trillion yuan, an increase from the previous day [1] AI Sector Performance - AI-related concepts showed strong performance in the morning, driven by impressive earnings reports from Meta and Microsoft, particularly in AI capital expenditures [1][9] - However, the market experienced a sudden drop in the afternoon, affecting overall indices [2] Sector Analysis - Most industry sectors experienced declines, with significant drops in energy metals, steel, coal, mining, photovoltaic equipment, real estate development, shipbuilding, precious metals, and chemical fiber industries [3] - The "anti-involution" concept, which includes several cyclical sectors, saw substantial profit-taking after recent gains, with many stocks in steel, non-ferrous metals, real estate, and coal dropping over 2% [5] Futures Market - Major futures contracts for glass,焦煤 (coking coal), and多晶硅 (polysilicon) approached limit-down levels, indicating a significant market correction [6] - The prices of glass and soda ash futures have nearly returned to pre-surge levels [25] Capital Expenditure Insights - Meta's Q2 revenue was $47.516 billion, a 22% year-over-year increase, and net profit rose 36% to $18.337 billion [10] - Microsoft reported Q2 revenue of $76.4 billion, an 18% increase, with net profit up 24% to $27.2 billion, driven by strong demand for cloud and AI products [11] Investment Sentiment - The market sentiment has weakened compared to the previous week, with nearly 4,300 stocks declining and only 50 stocks hitting the daily limit-up [18] - The recent market rally was fueled by positive expectations from U.S.-China trade negotiations, but the lack of substantial outcomes in the latest round has led to a shift in sentiment [21][23] Future Outlook - The market is currently in a correction phase due to unmet expectations and the weakening of trade negotiation prospects, with potential for continued volatility in August [31] - Defensive strategies may become a priority for investors, with high-dividend sectors like banking and insurance showing resilience amid broader market declines [33]