Market Overview - A-shares opened higher on Tuesday but weakened briefly before rallying again, driven by "China's state-owned enterprises" in the infrastructure sector, with the Shanghai Composite Index closing at 3568.78 points, up 0.25% [1] - The Shenzhen Component Index and the ChiNext Index rose by 0.56% and 0.69%, respectively, with a total trading volume of 115.89 billion yuan, an increase of 56.3 billion yuan compared to the previous trading day [1] Sector Performance - Over 2400 stocks in the market rose, with the hydropower sector remaining active, as companies like Wuxin Tunnel Equipment, Jikang Technology, and Hengli Drilling achieved consecutive "30cm" limit-ups [3][5] - The steel sector continued to strengthen, with Liugang Co. achieving 10 limit-ups over 16 days [3] - The photovoltaic sector saw gains, with Yijing Photovoltaic hitting the limit-up [3] Individual Stock Highlights - Aowei New Materials opened 19.15% higher and reached a 20% limit-up, marking its tenth consecutive limit-up and setting a new record for A-shares [4][8] - The hydropower project on the Yarlung Tsangpo River has boosted the performance of several companies in the infrastructure supply chain, with significant contract amounts reported by China Power Construction [6][7] Solid-State Battery Sector - The solid-state battery concept saw active trading, with Xianhui Technology hitting a 20% limit-up, and other companies like Dexin Technology and Haopeng Technology also achieving limit-ups [11] - Companies are making progress in solid-state battery development, with Chang'an Automobile planning to validate solid-state batteries by 2026 and gradually mass-produce them by 2027 [15] - The market for solid-state batteries is expected to expand due to emerging applications in low-altitude and robotics, with production expected to accelerate [15]