策略定期报告：晴空颠簸

Group 1 - The report indicates that the A-share market is experiencing a significant adjustment, with major indices such as the Shanghai Composite Index dropping by 3.90% and the ChiNext Index falling by 6.15% this week, reflecting a shift from high to low valuation stocks [1][16][25] - The report highlights that the current market volatility is characterized as "clear air turbulence," suggesting that while fluctuations are present, the long-term bullish trend remains intact [2][30] - It is noted that the A-share market's high valuation levels are becoming increasingly unsustainable, with a need for a transition from a liquidity-driven bull market to a fundamental-driven bull market [2][38] Group 2 - The report emphasizes that the internal factors driving the market's adjustment include a rapid shift from high to low valuation stocks, particularly in the technology sector, where significant capital outflows have been observed [2][32][36] - External factors, such as concerns over the AI investment bubble and the declining expectations for a December interest rate cut by the Federal Reserve, have contributed to the downward pressure on global risk assets, including A-shares [2][30][37] - The report suggests that the transition to a fundamental-driven bull market will require monitoring the easing of political cycles and the recovery of economic cycles, particularly in the context of US-China trade relations [2][3][4] Group 3 - The report identifies a significant style shift in the A-share market, with a notable preference for sectors such as power equipment, chemicals, and pharmaceuticals, while technology stocks have faced increased selling pressure [55][56][57] - It is highlighted that the technology sector is experiencing internal differentiation, with strong performance in segments supported by fundamental trends, while weaker segments are underperforming [56][78] - The report also notes that the current high levels of institutional investment in technology stocks, exceeding 40%, indicate a potential risk of overexposure in this sector [77][78]