Zheng Xing Xing Ye Ri Bao·2025-12-30 09:08Market Overview - On December 30, the software development sector rose by 0.19% compared to the previous trading day, with digital certification leading the gains [1] - The Shanghai Composite Index closed at 3965.12, down 0.0%, while the Shenzhen Component Index closed at 13604.07, up 0.49% [1] Stock Performance - Digital Certification (300579) saw a significant increase of 17.46%, closing at 34.99 with a trading volume of 323,200 shares and a transaction value of 1.123 billion [1] - Other notable performers included Weide Information (688171) with a 5.69% increase, closing at 45.35, and ST Guohua (000004) with a 3.58% increase, closing at 11.27 [1] Fund Flow Analysis - The software development sector experienced a net outflow of 1.941 billion from institutional investors, while retail investors saw a net inflow of 1.185 billion [2] - Notable stocks with significant fund flows included Digital Certification, which had a net inflow of 166 million from institutional investors, but a net outflow from retail investors [3] Individual Stock Highlights - Eastcom (300379) faced a drastic decline of 59.27%, closing at -1.23 with a trading volume of 2.2913 million shares [2] - Jin Chengzi (688291) decreased by 8.11%, closing at 38.28 with a transaction value of 312 million [2]