A股收评：三大指数集体收涨，超3400只个股飘绿

Market Performance - The A-share market opened lower on the 27th but experienced a rebound, closing collectively higher with the Shanghai Composite Index up by 0.16%, the Shenzhen Component Index up by 0.09%, and the ChiNext Index up by 0.71% [1][2]. Trading Volume and Stock Movement - The total trading volume in the market reached 2.92 trillion yuan, with over 3,400 individual stocks declining [4]. - Notable sectors included precious metals, with Sichuan Gold, Zhaojin Mining, and Hunan Gold hitting the daily limit [4]. - The CPO concept showed active performance, and the commercial aerospace sector continued to strengthen, with multiple stocks reaching the daily limit [4]. Sector Performance - The space photovoltaic concept saw a sustained recovery, while the computing power leasing concept experienced fluctuations with several stocks rising sharply [4]. - The semiconductor industry chain saw a resurgence, particularly in storage and packaging testing, with Huahong Semiconductor reaching a historical high during the session [4]. - Conversely, the biopharmaceutical sector faced a pullback, with Yongshun Bio and Lianhuan Pharmaceutical leading the declines [4]. - The rare earth and lithium battery industry chains significantly weakened, while food, beverage, and tourism stocks were among the largest decliners [4].