环保设备板块12月10日跌0.36%，聚光科技领跌，主力资金净流出8505.83万元

Group 1 - The core viewpoint of the news is that the environmental equipment sector experienced a decline, with a drop of 0.36% on December 10, led by 聚光科技 [1] - The Shanghai Composite Index closed at 3900.5, down 0.23%, while the Shenzhen Component Index closed at 13316.42, up 0.29% [1] Group 2 - In terms of capital flow, the environmental equipment sector saw a net outflow of 85.06 million yuan from main funds, while retail investors contributed a net inflow of 46.34 million yuan [2] - The sector also experienced a net inflow of 38.71 million yuan from speculative funds [2]