A股走势如期变盘的几个核心因素，适度减仓

Group 1 - The core viewpoint indicates that the A-share market is experiencing a significant shift, with a recommendation to moderately reduce positions due to anticipated volatility and risks [3][5]. - The market saw a decline in major indices, with the CSI 300 index down by 1.75%, the Shanghai Composite Index down by 0.94%, and the CSI 500 index down by 1.37% [3]. - The fundamental factors affecting the market include unexpected challenges in the US-China economic relations and a slight decline in China's official PMI data, leading to a cautious outlook for the Chinese economy in the second half of the year [3][5]. Group 2 - Institutional caution is increasing, as indicated by weakening fund flow indicators, suggesting a potential continuation of market adjustments [4][5]. - The recent non-farm payroll data from the US has shown significant weakness over the past three months, reinforcing concerns about the US economic outlook [3][5]. - The recommendation for the main board is to reduce positions to a medium level in response to the market's changing signals, while the small-cap sector should also follow suit due to its high beta characteristics [7]. Group 3 - There is a notable correlation between the market's significant adjustment and the timing of a new product subscription window for a quantitative private equity fund, although the actual impact on the market was limited [8].