On the morning of March 10, the A-share market got off to a positive start, exhibiting fluctuations throughout the session, with the ChiNext Index spearheading the upward movement. Trading volume on the Shanghai and Shenzhen stock exchanges during the morning session amounted to 1.6 trillion yuan, marking a decrease of 190 billion yuan compared to the previous trading day. Notably, over 4,300 stocks across the market experienced gains. In terms of sector performance, the CPO (Co-Packaged Optics) concept maintained its upward trajectory, the PCB (Printed Circuit Board) concept staged a rebound amidst volatility, and the commercial aerospace and superhard materials sectors showed signs of activity. Conversely, oil and gas concept stocks took a significant hit. By the midday break, the Shanghai Composite Index had risen by 0.39%, the Shenzhen Component Index was up 1.57%, and the ChiNext Index had surged by an impressive 2.47%.