机构今日买入阿特斯等18股，抛售国盾量子3.88亿元

Summary of Key Points Core Viewpoint - On October 30, a total of 45 stocks were involved in institutional trading, with 18 stocks showing net buying by institutions and 27 stocks showing net selling [1] Institutional Buying - The top three stocks with the highest net buying by institutions were: - Aters: Net buying amount of 277 million [1] - Zhenhua Co., Ltd.: Net buying amount of 149 million [1] - Penghui Energy: Net buying amount of 77.78 million [1] Institutional Selling - The top three stocks with the highest net selling by institutions were: - Guodun Quantum: Net outflow amount of 388 million [1] - Keda Guokai: Net outflow amount of 359 million [1] - Dawi Co., Ltd.: Net outflow amount of 141 million [1]