Zheng Xing Xing Ye Ri Bao·2025-12-30 09:08Group 1 - The engineering machinery sector increased by 1.69% on December 30, with Weiman Sealing leading the gains [1] - The Shanghai Composite Index closed at 3965.12, showing no change, while the Shenzhen Component Index rose by 0.49% to 13604.07 [1] - Weiman Sealing's stock price rose by 11.35% to 37.08, with a trading volume of 184,900 shares and a transaction value of 678 million yuan [1] Group 2 - Major stocks in the engineering machinery sector included Hengli Hydraulic, which increased by 4.40% to 112.96, with a transaction value of 1.918 billion yuan [1] - Other notable performers included Shaoyang Hydraulic (+4.08%), Shantui (+3.47%), and Zhejiang Dingli (+2.75%) [1] - The sector saw a net inflow of 610 million yuan from main funds, while retail investors experienced a net outflow of 404 million yuan [2][3] Group 3 - The main fund inflows were led by Yichong Heavy Industry with a net inflow of 257 million yuan, representing 16.30% of its trading volume [3] - Hengli Hydraulic also saw significant main fund inflows of 245 million yuan, but retail investors withdrew 221 million yuan [3] - The overall trend indicates a mixed sentiment among retail and institutional investors within the engineering machinery sector [2][3]