Break Monopolies + Tech Leaders Appear: 5 Highly Concentrated, High-Quality Potential Stocks IdentifiedChina Finance Tech in ChinaA-Shares, Changyang Keji, China Merchants Securities, DataBao, Investment Strategies, Jida Zhengyuan, Laite Guangdian, Langxin Jituan, Yihua Gufen, Yirui Technology, Zhongxin Jiantou, Zhongyuan Securities October 3, 2025