A股午评：沪指盘中跳水跌0.19% 超3900股下跌

Core Viewpoint - The market experienced a significant fluctuation with all three major indices dropping after an initial rise, indicating volatility in investor sentiment and market dynamics [1][2] Market Performance - The total trading volume in the Shanghai and Shenzhen markets reached 1.45 trillion, an increase of 251.3 billion compared to the previous trading day [1][2] - Over 3,900 stocks in the market declined, reflecting a broad-based sell-off [1][2] Sector Highlights - The lithium battery industry chain showed strong performance, with Tianji Co. achieving three consecutive trading limits in four days, and other stocks like Hongyuan Pharmaceutical and Yongxing Materials also hitting trading limits [1][2] - The commercial aerospace sector remained active, with Shenjian Co. achieving seven consecutive trading limits and Jiuding New Materials reaching four consecutive limits, alongside gains for Jiayuan Technology and Zhongchao Holdings [1][2] - The photovoltaic sector saw localized gains, with companies like GCL-Poly and Yijing Optoelectronics hitting trading limits [1][2] - The Hainan Free Trade Zone concept was notably active, with Hainan Development achieving five trading limits in six days [1][2] Declining Sectors - The computing hardware sector underperformed, with Changguang Huaxin experiencing a decline of over 10% [1][2] Index Closing - At market close, the Shanghai Composite Index fell by 0.19%, while the Shenzhen Component Index rose by 0.17%, and the ChiNext Index decreased by 0.15% [1][2]