工程机械板块12月19日涨1.09%，铁拓机械领涨，主力资金净流出2116.72万元

Core Viewpoint - The engineering machinery sector experienced a rise of 1.09% on December 19, with Iron Tuo Machinery leading the gains [1] Group 1: Market Performance - On the same day, the Shanghai Composite Index closed at 3890.45, up by 0.36% [1] - The Shenzhen Component Index closed at 13140.22, increasing by 0.66% [1] Group 2: Capital Flow - The engineering machinery sector saw a net outflow of 21.17 million yuan from main funds, and a net outflow of 91.41 million yuan from speculative funds [2] - Retail investors contributed a net inflow of 113 million yuan into the engineering machinery sector [2]