意外就像空难，不知不觉无法预判

Group 1 - The stock market experienced fluctuations, with the Shanghai Composite Index down by 0.19%, the Shenzhen Component Index up by 0.17%, and the ChiNext Index down by 0.15% at midday [1] - Over 3,900 stocks declined in the two markets, with a total trading volume of 1.45 trillion [1] Group 2 - The lithium battery industry chain is rapidly strengthening, with Tianji Co. achieving three consecutive trading limits in four days, alongside other stocks like Hongyuan Pharmaceutical and Yongxing Materials hitting trading limits [3] - The commercial aerospace concept remains active, with Shenjian Co. achieving seven consecutive trading limits and Jiuding New Materials achieving four consecutive trading limits [3] - The photovoltaic sector saw partial gains, with companies like GCL-Poly and Yijing Photovoltaic hitting trading limits [3] - The Hainan Free Trade Zone concept is performing well, with Hainan Development achieving five trading limits in six days [3] Group 3 - The paper printing sector is experiencing a downturn, with a decline of 1.71% at midday, and stocks like Jiangtian Technology dropping by 12.32% [3] - The computing hardware concept is underperforming, with Changguang Huaxin falling over 10% [3] - Other sectors such as electronic chemicals, CPO concepts, and cultivated diamonds are also following suit with declines over 1% [3] Group 4 - A successful satellite launch using the Long March 8A rocket took place, deploying 17 low-orbit satellite internet satellites into their designated orbits [3] - The main contract for lithium carbonate surged over 8% during the day, breaking through the 130,000 yuan mark, reaching a new high since November 2023 [3]