收评：沪指冲高回落微涨0.07%

Market Overview - The market experienced a pullback after an initial rise, with all three major indices briefly turning negative, while the ChiNext index saw an intraday increase of over 1% [1] - The total trading volume in the Shanghai and Shenzhen markets reached 1.9 trillion yuan, an increase of 37.9 billion yuan compared to the previous trading day [1] - Nearly 3,900 stocks in the market declined [1] Sector Performance - The Hainan Free Trade Zone concept showed localized strength, with stocks such as Hainan Haiyao, Hainan Ruize, and Hainan Development hitting the daily limit [1] - The lithium battery sector strengthened, with Tianji Co. also reaching the daily limit [1] - Liquid cooling server stocks surged in the afternoon, with Yingweike and Jitai Co. hitting the daily limit [1] - The semiconductor equipment sector was actively traded, with Shenghui Integration and Yaxiang Integration achieving consecutive daily limits [1] - The non-ferrous tungsten sector performed actively, with Xianglu Tungsten and Zhangyuan Tungsten both hitting the daily limit [1] Declining Sectors - The commercial aerospace sector saw a pullback after an initial rise, with Shunhao Co. and Aerospace Machinery both hitting the daily limit down [1] - The tourism sector experienced declines, with Qujiang Cultural Tourism hitting the daily limit down [1] Index Closing - At the close, the Shanghai Composite Index rose by 0.07%, the Shenzhen Component Index increased by 0.27%, and the ChiNext Index gained 0.41% [1]