高铁轨交概念异动拉升 晋亿实业2连板

Group 1 - The core viewpoint of the article highlights the significant movement in the high-speed rail and urban transit sector, with companies like Jin Yi Industrial and Yan Ao Co., Ltd. experiencing notable stock price increases [1] - Jin Yi Industrial has achieved two consecutive trading limit increases, while Yan Ao Co., Ltd. has hit a 20% trading limit increase, indicating strong market interest and investor confidence in these companies [1] - Other companies in the sector, such as Siwei Liekong, Iron University Technology, Qinghai Huading, New Construction Co., Ltd., Shenzhou High-speed Rail, and Jiaoda Sino, have also seen their stock prices rise in response to the positive market sentiment [1] Group 2 - In the first quarter, the National Railway Group reported that the total fixed asset investment in railways reached 131.2 billion yuan, reflecting a year-on-year growth of 5.2%, which is a positive indicator for the industry [1]