海外宏观事件扰动A股，指增超额依然表现坚韧

Core Viewpoint - The article discusses the recent market volatility influenced by external liquidity pressures, rising US dollar index, and mixed signals from the AI sector, leading to cautious investor sentiment in the A-share market [2]. Market Performance - The US dollar index strengthened above the 100 mark, causing significant pullbacks in the technology sector and related ETFs, with the Nasdaq experiencing its largest intraday reversal since April [2]. - A-share investors showed a cautious risk appetite, with the ChiNext Index declining by 6.15% over the week, and only about 200 stocks achieving positive returns on Friday [2]. - All 31 first-level industries in the Shenwan classification experienced declines, although the banking sector supported the Shanghai Composite Index, with state-owned large banks rising for three consecutive weeks [2]. Investment Strategies - Despite significant net value drawdowns in several index-enhanced products, the excess return performance remained relatively resilient [2]. - The average return and excess return for CSI 300 index-enhanced products were -3.75% and 0.02%, respectively, with about half of the products showing negative excess returns [5]. - The average return and excess return for CSI 500 index-enhanced products were -5.97% and -0.20%, while for CSI 1000 index-enhanced products, they were -6.08% and -0.30% [5]. Market Style Shifts - A-shares experienced a style shift post-National Day, with a notable focus on high-quality stocks amid concerns over AI sector capital expenditures and revenue performance [9]. - The market saw a preference for lower valuation stocks with strong earnings visibility and low debt ratios, as evidenced by the significant reversal in the scale factor [9]. - The overall drawdown for managers was manageable, indicating a balanced holding style rather than a concentration in micro-cap stocks [11]. Future Market Outlook - The global stock market, including China's, is increasingly correlated due to historical tariff threats and the AI narrative, with technology stocks being a major theme [13]. - Investors are advised to increase allocations to defensive sectors, particularly banking and other low-volatility, reasonably valued high-quality companies [13]. - The potential for US market support policies could positively influence A-share sentiment, making index-enhanced products, especially those focused on innovation and small-cap stocks, attractive in the future [13].