三大指数强势反转，沪指再度站上3800点关口

Market Performance - The Shanghai Composite Index rose by 1.24%, the Shenzhen Component Index increased by 3.89%, and the ChiNext Index surged by 6.55% at the close [1][3] - Over 4,800 stocks in the two markets experienced gains, with a total trading volume of 2.3 trillion [1] Sector Performance - Solid-state battery concept stocks collectively surged by 9.29%, with nearly 30 stocks hitting the daily limit, including Tianhong Lithium Battery and Jinyinhai [3] - Solar and wind power concept stocks were active, with Jinlang Technology hitting the 20% limit up [3] - CPO concept stocks rebounded, with Shenghong Technology hitting the limit up and reaching a historical high [3] Banking Sector - The banking sector opened lower and closed down by 0.88%, with notable declines in Postal Savings Bank (-2.97%), Agricultural Bank (-2.93%), and CITIC Bank (-2.62%) [3] - Nearly 20 banking stocks, including China Bank and Construction Bank, saw declines exceeding 1% [3] Market Trends - The reversal after three consecutive declines allowed the Shanghai Composite Index to regain the 3,800-point level, although trading volume showed a significant decrease [3] - The weakness in the banking sector indicates short-term market uncertainty, suggesting a potential need for consolidation and correction, while also presenting opportunities for portfolio adjustment [3]