雅下水电概念股再度活跃，西宁特钢等股走出2连板

Group 1 - The hydropower concept stocks have become active again, with companies such as Xining Special Steel (600117), Poly United (002037), Gaozheng Mining Explosion (002827), Huaxin Cement (600801), and Subote (603916) achieving two consecutive trading limit ups [1] - There is a notable shift in "smart money" flow, indicating that dark pool funds are uncovering the main players' trading strategies [1]