Group 1 - The Tianjin Free Trade Zone concept rose by 1.75%, ranking third among concept sectors, with eight stocks increasing, including Bohai Chemical and Tianbao Infrastructure hitting the daily limit [1] - Leading gainers in the Tianjin Free Trade Zone sector included Ruipu Biological, Haitai Development, and Youfa Group, which rose by 5.55%, 2.36%, and 1.82% respectively [1] - The sector saw a net inflow of 245 million yuan from main funds, with Tianbao Infrastructure receiving the highest net inflow of 211 million yuan [2][3] Group 2 - The main fund inflow ratios for Bohai Chemical, Tianbao Infrastructure, and Jinkai New Energy were 31.95%, 12.34%, and 10.93% respectively [3] - The trading volume and turnover rates for key stocks in the Tianjin Free Trade Zone included Tianbao Infrastructure at 30.21% turnover and a 9.92% increase, while Bohai Chemical had a 5.07% turnover and a 10.00% increase [3][4] - Decliners in the sector included Hengyin Technology, Tianjin Pulin, and Guifaxiang, with declines of 3.12%, 2.49%, and 1.99% respectively [1][4]