创业板指，涨超2%

Market Overview - A-shares experienced a volatile rebound in the morning session, with the ChiNext index leading the gains. There was a noticeable divergence between large and small-cap stocks, with mid and small-cap stocks generally rising. The total trading volume in the Shanghai and Shenzhen markets reached 1.31 trillion yuan, a decrease of 103.8 billion yuan compared to the previous trading day. Over 4,400 stocks in the market saw an increase [1]. Sector Performance - In terms of sectors, brokerage and fintech stocks showed strong fluctuations, with the "Guiding Compass" reaching a new historical high. The liquid cooling server concept stocks surged again, with companies like Chuanhuan Technology hitting the daily limit. The photovoltaic sector also rebounded, with Oujing Technology reaching the daily limit. Conversely, bank stocks underwent adjustments, with the "Big Four" banks (Industrial and Commercial Bank of China, Agricultural Bank of China, Bank of China, and China Construction Bank) all declining by over 2%. The sectors with the highest gains included PEEK materials, liquid cooling servers, photovoltaic equipment, and securities, while banks, liquor, and gaming sectors saw the largest declines. By the end of the session, the Shanghai Composite Index rose by 0.47%, the Shenzhen Component Index increased by 1.19%, and the ChiNext Index climbed by 2.14% [2][3].