Zheng Xing Xing Ye Ri Bao·2025-09-12 08:38Market Overview - On September 12, the rail transit equipment sector experienced a slight decline of 0.15%, with 雷尔伟 leading the losses [1] - The Shanghai Composite Index closed at 3883.69, up 0.22%, while the Shenzhen Component Index closed at 12996.38, up 0.13% [1] Stock Performance - The top-performing stock in the rail transit equipment sector was 必得科技, which saw a closing price of 45.43, reflecting a 10.00% increase with a trading volume of 103,800 shares and a transaction value of 447 million [1] - Other notable gainers included 全唐车丁 (up 2.58%), 天直新材 (up 1.97%), and 中国铁物 (up 1.46%) [1] Decliners - 雷尔伟 was the biggest loser, closing at 21.18 with a decline of 3.33% and a trading volume of 100,600 shares [2] - Other stocks that declined included 交控科技 (down 2.78%) and 研奧股份 (down 1.50%) [2] Capital Flow - The rail transit equipment sector saw a net inflow of 9.7067 million from institutional investors, while retail investors experienced a net outflow of 42.7397 million [2][3] - The main stocks with significant capital inflow included 必得科技 (net inflow of 65.5658 million) and 全鹰重工 (net inflow of 23.0537 million) [3] Summary of Individual Stocks - 必得科技 had a strong performance with a net inflow from institutional investors of 65.5658 million, while retail investors showed a net outflow of 42.4637 million [3] - 中铁工业 also saw a net inflow of 18.7004 million from institutional investors, indicating positive sentiment [3]