勘设股份跌2.09%，成交额7297.23万元，主力资金净流出238.53万元

Group 1 - The core viewpoint of the news is that Guizhou Transportation Planning and Design Institute Co., Ltd. (勘设股份) has experienced fluctuations in its stock price and trading activity, with a notable increase in stock price year-to-date but a decline in recent trading days [1][2] - As of September 25, the stock price of 勘设股份 was 8.45 yuan per share, with a market capitalization of 2.587 billion yuan and a trading volume of 72.97 million yuan [1] - The company has seen a year-to-date stock price increase of 46.19%, but a recent 20-day decline of 8.15% [1] Group 2 - 勘设股份 was established on April 30, 2010, and listed on August 9, 2017, primarily engaged in engineering consulting and contracting services across various sectors including highways, bridges, and tunnels [2] - The company's revenue composition includes 72.30% from engineering consulting, 24.78% from engineering contracting, 2.26% from product sales, and 0.65% from other sources [2] - As of September 10, the number of shareholders increased by 4.52% to 16,900, with an average of 18,074 circulating shares per shareholder, a decrease of 4.32% [2] Group 3 - 勘设股份 has distributed a total of 662 million yuan in dividends since its A-share listing, with 68.27 million yuan distributed over the past three years [3]