环保设备板块12月24日涨1.87%，创元科技领涨，主力资金净流入3487.65万元

Group 1 - The environmental equipment sector increased by 1.87% on December 24, with Chuangyuan Technology leading the gains [1] - The Shanghai Composite Index closed at 3940.95, up 0.53%, while the Shenzhen Component Index closed at 13486.42, up 0.88% [1] - Chuangyuan Technology's stock price rose by 10.01% to 15.16, with a trading volume of 101,300 shares and a transaction value of 154 million yuan [1] Group 2 - The environmental equipment sector saw a net inflow of 34.87 million yuan from main funds, while retail investors experienced a net outflow of 2.48 million yuan [2] - Major stocks in the sector included Meai Technology, which had a net inflow of 36.98 million yuan from main funds, but a net outflow of 60.13 million yuan from retail investors [3] - Shijing Technology also saw significant main fund inflows of 31.90 million yuan, with retail investors withdrawing 41.86 million yuan [3]