Zheng Xing Xing Ye Ri Bao·2025-12-30 09:08Group 1 - The communication equipment sector increased by 0.48% on December 30, with DingTong Technology leading the gains [1] - The Shanghai Composite Index closed at 3965.12, showing no change, while the Shenzhen Component Index closed at 13604.07, up by 0.49% [1] - Notable gainers in the communication equipment sector included DingTong Technology, which rose by 10.28% to a closing price of 129.61, and Dongfang Communication, which increased by 10.03% to 16.89 [1] Group 2 - The communication equipment sector experienced a net outflow of 2.781 billion yuan from institutional investors, while retail investors saw a net inflow of 2.513 billion yuan [2] - The top individual stock performers in terms of net inflow included Tianfu Communication with a net inflow of 3.55 million yuan from institutional investors [3] - DingTong Technology had a net inflow of 79.2142 million yuan from institutional investors, despite a net outflow from retail investors [3]