兴业证券表示，7月本身就进入了一个行情规律偏强的阶段，有望为市场提供更多结构性指引。进入7 月，随着中报预告陆续披露、重大会议窗口临近，叠加夏季高温季节来临，业绩和季节性对于行情结构 的影响显著提升，有望为市场提供更多结构性指引。 截至2025年7月7日 09:48，中证500质量成长指数(930939)下跌0.51%。成分股方面涨跌互现，滨江集团 (002244)领涨2.77%，蓝晓科技(300487)上涨2.35%，皖能电力(000543)上涨2.09%；生益电子(688183)领 跌，新泉股份(603179)、恒玄科技(688608)跟跌。500质量成长ETF(560500)下修调整，最新报价0.99 元。 规模方面，500质量成长ETF近3月规模增长2934.61万元，实现显著增长，新增规模位居可比基金1/3。 展望后市，华金证券认为，当前拔估值行情可能处于筑顶阶段。行业方面，短期低估值蓝筹和成长板块 可能相对占优。一是复盘历史，拔估值行情结束前一个月，高景气和政策导向的行业相对占优；拔估值 行情结束后一个月，高景气和低估值补涨的相对占优。二是当前处于拔估值行情的末期，高景气的行业 相对占优，而当前高 ...

Group 1 - The current A-share market is experiencing increased volatility, with significant fluctuations occurring within short time frames [1] - Historical analysis shows that the average gain during "valuation expansion" phases since 2005 is 21.9%, lasting an average of 53 trading days [1] - Factors leading to the end of valuation expansion include policy tightening, external negative shocks, and excessive valuation and sentiment [1] Group 2 - The recent "Big Beautiful Bill" signed by the US government aims to boost AI subsidies and promote domestic chip manufacturing, with a projected economic growth impact of 0%-0.6% by 2026 [8] - The bill's long-term effects may lead to a decrease in economic growth rates after 2028 [8] Group 3 - The Chinese government is focusing on stabilizing the real estate market by promoting the construction of safe, comfortable, and green housing [16] - Recent data indicates that the maximum electricity load in China reached a historical high of 1.465 billion kilowatts on July 4, 2025, driven by extreme heat [11] Group 4 - The semiconductor industry in Shenzhen is being promoted through ten measures aimed at high-quality development [15] - The aviation sector is seeing regulatory changes with the establishment of a leadership group to develop general aviation and low-altitude economy [12] Group 5 - The food delivery market is witnessing intense competition, with Meituan reporting over 1.2 billion orders in a single day [5][34] - The e-commerce platform Taobao is launching a significant subsidy campaign, aiming for a substantial increase in order volume [34] Group 6 - The latest industry trends indicate that the textile, light manufacturing, and media sectors are in a recession phase, while the computer, communication, and defense industries are expanding [27] - The pharmaceutical and food and beverage sectors are expected to see an increase in their economic outlook, while the construction materials and steel industries may experience a decline [28]