沪深两市成交额3.94万亿！沪指冲高回落跌0.31%

Market Overview - The Shanghai Composite Index closed down 0.31%, while the Shenzhen Component Index and the ChiNext Index rose by 0.56% and 0.82%, respectively [1][4] - The market experienced a rapid pullback after initially rising over 1%, with a total trading volume of 3.94 trillion yuan, an increase of 290.4 billion yuan compared to the previous trading day, marking the third consecutive day of trading volume exceeding 3.5 trillion yuan [2][8] Sector Performance - The AI application sector saw significant gains, with over 20 constituent stocks hitting the daily limit. Notable performers included Liou Co., Ltd. (002131) with six consecutive limit-ups over nine days, and other companies like Shengguang Group (002400) and Xinhua Net (603888) achieving multiple consecutive limit-ups [2] - The computing hardware sector also surged, with Guangxun Technology (002281) hitting a new high, while the semiconductor sector saw stocks like Yaxiang Integration (603929) reach historical highs [2] - The commercial aerospace sector showed localized activity, with Haige Communication (002465) achieving three consecutive limit-ups and other stocks like Datang Telecom (600198) and Jiayuan Technology (301117) also hitting the daily limit [2] Declining Sectors - The energy metals, insurance, and banking sectors experienced the largest declines, with the lithium mining concept notably dropping, as evidenced by Guocheng Mining (000688) hitting the daily limit down [3]