Market Performance - The Tianjin Free Trade Zone concept index rose by 1.71%, ranking 9th among concept sectors, with 10 stocks increasing in value [1] - Leading stocks included Bohai Chemical, which hit the daily limit, and others like Hengyin Technology and Tianbao Infrastructure, which rose by 4.77%, 3.57%, and 2.03% respectively [1] Sector Comparison - The top-performing concept sectors included: - China-Korea Free Trade Zone: +5.44% - Shipping Concept: +4.66% - Free Trade Port: +3.17% - Unified Market: +3.11% - Futures Concept: +2.88% - Internet Insurance: +2.52% - Internet Finance: +2.17% - Digital Currency: +1.89% - Tianjin Free Trade Zone: +1.71% - Pinduoduo Concept: +1.69% [2] Capital Flow - The Tianjin Free Trade Zone concept saw a net inflow of 114 million yuan, with six stocks receiving significant capital inflows [2] - Bohai Chemical led with a net inflow of 103 million yuan, followed by Tianbao Infrastructure and Hengyin Technology with net inflows of 29.87 million yuan and 13.35 million yuan respectively [2] Stock Performance - Key stocks in the Tianjin Free Trade Zone concept included: - Bohai Chemical: +9.89% with a net inflow rate of 13.99% - Tianbao Infrastructure: +3.57% with a net inflow rate of 5.73% - Hengyin Technology: +4.77% with a net inflow rate of 4.87% - Tianjin Investment City Development: +1.77% with a net inflow rate of 9.17% [3][4]

Group 1 - The Tianjin Free Trade Zone concept index declined by 1.06%, ranking among the top declines in the concept sector as of the market close on April 30 [1] - Within the Tianjin Free Trade Zone sector, Tianbao Infrastructure, Haitai Development, and Ruipu Biotech experienced significant declines, while only two stocks, Jintou Chengkai and Hengyin Technology, saw gains of 4.25% and 1.79% respectively [1][2] - The sector experienced a net outflow of 63 million yuan, with nine stocks seeing net outflows, led by Jiuan Medical with a net outflow of 27.91 million yuan [2] Group 2 - The top gainers in the concept sector included Reducers with a gain of 4.01%, while the Free Trade Port concept saw a decline of 1.28% [2] - The main stocks with net outflows included Tianbao Infrastructure (-9.31%), Jinkai New Energy (-0.72%), and Haitai Development (-3.23%) [2][3] - The stocks with the highest net inflows included Bohai Chemical with 4.46 million yuan and Hengyin Technology with 2.96 million yuan [3]