Core Viewpoint - The environmental equipment sector experienced a decline of 0.3% on December 18, with Falsheng leading the drop, while the Shanghai Composite Index rose by 0.16% to close at 3876.37 [1] Group 1: Market Performance - The Shanghai Composite Index closed at 3876.37, up 0.16% [1] - The Shenzhen Component Index closed at 13053.98, down 1.29% [1] - The environmental equipment sector saw a net outflow of 278 million yuan from main funds, while retail investors contributed a net inflow of 205 million yuan [2] Group 2: Individual Stock Performance - Falsheng (code: 000890) closed at 6.48, down 10.00%, with a trading volume of 1.1266 million shares and a transaction value of 732 million yuan [2] - Chuhuan Technology (code: 001336) closed at 23.93, up 3.82%, with a trading volume of 26,900 shares and a transaction value of 63.5465 million yuan [1] - Meiyu Technology (code: 688376) closed at 50.32, down 2.48%, with a trading volume of 125,100 shares and a transaction value of 131 million yuan [2] Group 3: Fund Flow Analysis - Main funds showed a net inflow of 682,620 yuan into Meiyu Technology, while retail investors had a net inflow of 23,090 yuan [3] - The main funds had a net outflow of 705,710 yuan from Meiyu Technology, indicating mixed investor sentiment [3] - The net inflow from retail investors into Meiyu Technology was 23,090 yuan, reflecting some interest despite the overall decline [3]