环保设备板块12月11日跌0.48%，碧兴物联领跌，主力资金净流入8654.21万元

Group 1 - The core viewpoint of the news is that the environmental equipment sector experienced a decline, with a drop of 0.48% on December 11, while the Shanghai Composite Index fell by 0.7% and the Shenzhen Component Index decreased by 1.27% [1][2] Group 2 - On December 11, the main capital inflow into the environmental equipment sector was 86.54 million yuan, while retail investors saw a net outflow of 54.35 million yuan and speculative funds had a net outflow of 32.19 million yuan [2]