工程机械板块12月12日涨1.04%，邵阳液压领涨，主力资金净流入1564.69万元

Core Insights - The engineering machinery sector experienced a rise of 1.04% on December 12, with Shaoyang Hydraulic leading the gains [1] - The Shanghai Composite Index closed at 3889.35, up 0.41%, while the Shenzhen Component Index closed at 13258.33, up 0.84% [1] Engineering Machinery Sector Performance - Shaoyang Hydraulic (301079) saw a significant increase of 19.98%, closing at 30.86 with a trading volume of 256,100 shares and a transaction value of 737 million yuan [1] - Other notable performers included Wantong Hydraulic (920839) with an 8.04% increase, closing at 46.24, and Construction Machinery (600984) with a 6.46% increase, closing at 4.78 [1] - The sector also included companies like Tuoshan Heavy Industry (001226) and Hangcha Group (603298), which rose by 4.29% and 3.57% respectively [1] Fund Flow Analysis - The engineering machinery sector saw a net inflow of 15.6469 million yuan from main funds, while retail investors contributed a net inflow of 428 million yuan [2] - However, there was a net outflow of 443 million yuan from speculative funds [2]