环保设备板块12月12日涨1.04%，美埃科技领涨，主力资金净流出2121.81万元

Group 1 - The core viewpoint of the news is that the environmental equipment sector experienced a rise of 1.04% on December 12, with Meiyetech leading the gains [1] - The Shanghai Composite Index closed at 3889.35, up by 0.41%, while the Shenzhen Component Index closed at 13258.33, up by 0.84% [1] Group 2 - In terms of capital flow, the environmental equipment sector saw a net outflow of 21.2181 million yuan from main funds, and a net outflow of 65.0111 million yuan from speculative funds, while retail investors contributed a net inflow of 86.2292 million yuan [2] - Detailed capital flow for individual stocks in the environmental equipment sector is provided in the accompanying table [2]