CPO concept stocks collectively surged, with main capital continuously increasing its investment.

Since July 31, the optical module index has cumulatively increased by 40.33%, with several constituent stocks experiencing significant price surges and main funds increasing their positions this week. According to statistics from Securities TimesData Bao, this week, a total of 75 stocks in the A-share market saw net inflows of main funds exceeding 300 million yuan. Xin E-Sun, C Ultra Pure, Tianfu Communication, Wangsu Technology, and Lianhua Holdings ranked in the top five, with net inflow amounts of 3.492 billion yuan, 2.426 billion yuan, 2.280 billion yuan, 1.573 billion yuan, and 1.046 billion yuan respectively. This week, 97 stocks experienced net outflows of main funds exceeding 300 million yuan. Shenghong Technology topped the list, with a net outflow amount reaching 3.303 billion yuan; BOE Technology Group, Yunnan Zhayi, East Money Information, Zhongji Xuchuang, and Huadian Technology all had net outflows exceeding 2 billion yuan.