Arcplus(SH:600629) Sou Hu Cai Jing·2025-09-15 07:29Core Viewpoint - Huajian Group's stock price reached a closing price of 17.18 yuan on September 15, with a significant increase of 9.99% for the day, driven by market expectations and sector performance in infrastructure and water conservancy [1][2]. Group 1: Stock Performance - The stock hit the daily limit at 9:46 AM and experienced three instances of limit opening before closing [1]. - The stock has seen a cumulative increase of 83.12% this year, indicating a technical breakout that has attracted follow-up buying [1]. Group 2: Market Factors - The rise in Huajian Group's stock is attributed to the overall activity in the infrastructure, water conservancy, and housing inspection sectors, which were collectively active on that day [1][2]. - A recent announcement on September 12 indicated a deviation in stock price over three days exceeding 20%, leading to market speculation about potential positive developments despite the company stating no undisclosed matters [1]. Group 3: Capital Flow - On September 15, the net outflow of main funds was 13.97 million yuan, accounting for 1.32% of the total trading volume, while retail investors saw a net inflow of 15.62 million yuan, representing 1.47% of the total [1][2]. - The housing inspection concept rose by 1.05%, the infrastructure concept increased by 0.72%, and the water conservancy concept grew by 0.51% on the same day [2].