A-Share Capital Flows Diverge: PCB Maker Shenghong Technology Tops Inflows, Dongshan Precision Leads Outflows
During the week of September 21-24, China's A-share market saw significant divergence in main capital flows. The Beauty & Personal Care sector led net inflows among 31 Shenwan primary industries, while Electronics and Communications each saw net outflows exceeding 10 billion yuan. PCB manufacturer Shenghong Technology attracted the highest individual stock net inflow of 1.623 billion yuan, while Dongshan Precision recorded the largest net outflow of 3.125 billion yuan. 310 stocks saw net inflows for four consecutive days.
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Common ground
- Both sides agree that the capital flows on September 22, 2026, are real and significant, not random noise.
- Both agree the market is making sophisticated, company-level distinctions within the semiconductor supply chain.
- Both acknowledge that US export controls and geopolitics boost demand for domestic Chinese chips like GigaDevice's NOR flash.
Points of contention
- The Neutral Agent sees the 2.29 billion yuan inflow in 40 minutes as a short-term, catalyst-driven crowded trade, while the Eastern Agent sees it as a structural bet on China's tech sovereignty.
- The Neutral Agent argues outflows from JCET, Huatian, China State Shipbuilding, and Shandong Gold contradict a long-term strategic thesis, but the Eastern Agent says this shows the market is refining its bet toward higher-value IP and growth engines.
- The Neutral Agent insists earnings and product cycles drive flows, not narratives, while the Eastern Agent claims earnings are directly created by the geopolitical strategy.
Blind spots
- Neither side identifies the specific catalyst for the 40-minute surge, like a pre-market announcement or government procurement tender.
- Both overlook the possibility that the speed and concentration of flows could be due to algorithmic trading or a single large institution, not a broad market consensus.
- The debate lacks analysis of whether these flows are sustainable by looking at data beyond a single day, such as weekly or monthly trends.
WorldAttention’s read
This debate reveals a fundamental clash between a short-term, catalyst-driven view and a long-term, strategic narrative. The Neutral Agent makes a strong case that the 40-minute frenzy and outflows from defense and gold point to a crowded trade, not a structural shift. However, the Eastern Agent convincingly shows that geopolitics and product cycles are now deeply intertwined in China's tech sector, making it hard to separate the two. The real blind spot is the missing catalyst—without knowing what triggered the surge, both sides are telling stories. Ultimately, the market will decide when earnings are reported, but for now, the evidence leans toward a tactical rotation rather than a lasting pivot, though the strategic context cannot be ignored.
Reporting timeline
PCB Giant with 220 Billion Yuan Market Cap Tops A-Share Fund Inflows This Week
According to Wind data cited by China Securities Journal, A-share market saw significant divergence in main capital flows during the week of September 21-24. Among 31 Shenwan primary industries, the beauty and personal care sector led with net inflows of 701 million yuan, while electronics and communications saw net outflows exceeding 10 billion yuan each. On the individual stock level, Shengyi Technology (胜宏科技), a PCB manufacturer with a market cap of approximately 223.5 billion yuan, attracted the highest net inflow of 1.623 billion yuan, with its stock rising 2.48% for the week. In contrast, Dongshan Precision (东山精密) recorded the largest net outflow of 3.125 billion yuan, falling 5.18%. Notably, 310 stocks received net inflows for four consecutive days. The article highlights the divergence within the electronics sector, where PCB-related stocks like Shengyi Technology and WUS Printed Circuit (沪电股份) attracted inflows while other electronics stocks faced outflows. Optical communication stocks including Tianfu Communication (天孚通信), Zhongji Innolight (中际旭创), and Eoptolink (新易盛) also appeared on the net outflow list.
Read sourcePCB Giant with 220 Billion Yuan Market Cap Tops A-Share Fund Inflows This Week
According to data cited by China Securities Journal, A-share market fund flows showed clear divergence during the week of September 21-24. Among 31 Shenwan primary industries, the beauty and personal care sector led net inflows with 7.01 billion yuan, while electronics and communications saw net outflows exceeding 10 billion yuan each. At the stock level, PCB manufacturer Shenghong Technology (market cap ~223.5 billion yuan) attracted the highest net inflow of 1.623 billion yuan, rising 2.48% for the week. In contrast, Dongshan Precision led net outflows with 3.125 billion yuan, falling 5.18%. The report noted that 310 stocks received net inflows for four consecutive days, while 576 stocks saw continuous outflows. The article highlighted that PCB-related stocks like Shenghong, WUS Printed Circuit, and Shennan Circuits bucked the broader electronics sector's outflow trend. Optical communication stocks including Tianfu Communication, Zhongji Innolight, and Xinyisheng also appeared on the net outflow list.
Read sourcePCB Giant with 220 Billion Market Cap Tops A-Share Fund Inflows This Week
This article from East Money reports on the divergence in main capital flows in China's A-share market for the week of September 21-24. The beauty and personal care sector led all Shenwan primary industries with net inflows of 7.01 billion yuan. In contrast, the electronics and communications sectors saw net outflows exceeding 10 billion yuan each, with electronics alone losing 14.155 billion yuan. Among individual stocks, PCB (printed circuit board) manufacturer Shenghong Technology (胜宏科技) attracted the highest net inflow of over 1.6 billion yuan, making it the top stock for fund inflows. However, another PCB company, Dongshan Precision (东山精密), topped the net outflow list with 3.125 billion yuan, and its stock fell 5.18% for the week. The article highlights the stark contrast within the electronics sector, where some PCB stocks like Shenghong and WUS Printed Circuit (沪电股份) saw inflows while others like Dongshan Precision experienced heavy outflows. It also notes that several stocks, including Hongbai New Materials and Liwei Semiconductor, received net inflows for four consecutive days.
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PCB Giant with 220 Billion Market Cap Tops A-Share Fund Inflows This Week
According to Wind data analyzed by Tonghuashun Finance, during the trading week of September 21-24, A-share market fund flows showed significant divergence. Among 31 Shenwan primary industries, the Beauty & Personal Care sector led net inflows with 7.01 billion yuan, while Electronics and Communications saw net outflows exceeding 10 billion yuan each. At the individual stock level, PCB manufacturer Shenghong Technology (300476) attracted the highest net capital inflow of 1.623 billion yuan, with a market capitalization of approximately 223.5 billion yuan. Other PCB-related stocks like WUS Printed Circuit (002463) and Shennan Circuits (002916) also ranked among the top inflows. Conversely, Dongshan Precision (002384) recorded the largest net outflow of 3.125 billion yuan. The article notes that 310 stocks received net inflows for four consecutive days, while 576 stocks experienced net outflows for four consecutive days, highlighting persistent capital rotation in the market.
Read sourceChina A-Share Market: Top 20 Stocks by Net Capital Inflow on Sept 22
On September 22, China's A-share market showed mixed performance with the Shanghai Composite Index edging up 0.06% to 3952.13 points, the Shenzhen Component Index slightly down 0.05% to 13723.74 points, and the ChiNext Index up 0.01% to 3399.93 points. According to data from East Money, 102 stocks recorded net capital inflows exceeding 100 million yuan, while 182 stocks saw net outflows over 100 million yuan. Among the top 20 stocks by net capital inflow, GigaDevice (兆易创新) led with 1.932 billion yuan, followed by BlueFocus (蓝色光标) with 995 million yuan and Honghe Technology (宏和科技) with 953 million yuan. Capital was heavily concentrated in technology growth sectors, particularly semiconductors and electronics. Seven semiconductor stocks, including GigaDevice, ChangXin Memory Technologies, Rockchip, Tongfu Microelectronics, Hygon Information, Leadmicro, and Moore Threads, collectively attracted nearly 5.98 billion yuan. Other notable inflows went to electronic materials, components, consumer electronics, digital marketing, plastics, computers, and automotive sectors. The report notes that the information is for reference only and does not constitute investment advice.
Read sourceMain Capital Monitoring: Communication Sector Net Outflow Exceeds 3.6 Billion Yuan
According to Cailianshe's market monitoring data on September 22, main capital (主力资金) showed net inflows into the computer, cultural media, and IT services sectors, while net outflows were recorded in the communication, new energy, and machinery equipment sectors. The communication sector saw a net outflow of 3.624 billion yuan. Among individual stocks, GigaDevice (兆易创新) led with net capital purchases of 2.111 billion yuan, followed by N Zhongsu (N中塑), Honghe Technology (宏和科技), and China Great Wall (中国长城) with strong net inflows. On the outflow side, Sinoma Science & Technology (中材科技) saw net selling of 1.046 billion yuan, the highest, followed by Huatian Technology (华天科技), Shandong Gold (山东黄金), and Shengyi Technology (生益科技) with significant net outflows.
Main Capital Flow Monitor: GigaDevice Net Buying Exceeds 2.2 Billion Yuan
According to Cailianshe's market monitoring data on September 22, during the morning trading session, main capital (主力资金) showed net inflows into the electronics, semiconductor, and computer sectors, while net outflows were seen from basic chemicals, national defense and military, and pharmaceutical sectors. The electronics sector alone saw net inflows exceeding 10.1 billion yuan. Among individual stocks, GigaDevice (兆易创新) led with net main capital buying of over 2.2 billion yuan, followed by China Great Wall (中国长城), Dongshan Precision (东山精密), and Changxin Technology (长鑫科技) with significant net inflows. On the selling side, Sinoma Science & Technology (中材科技) saw net selling exceeding 700 million yuan, while Huatian Technology (华天科技), Far East Smarter Energy (远东股份), and Shandong Gold (山东黄金) were among the top net outflow stocks.
Read sourceTop 10 Stocks by Main Capital Inflows and Outflows on September 22, 2026
As of 10:40 on September 22, 2026 (Tuesday), data from Jin10 shows the top ten stocks by main capital (主力资金) net inflows. GigaDevice (兆易创新) led with a net inflow of 2.291 billion yuan, followed by China Great Wall (中国长城) with 1.411 billion yuan, Dongshan Precision (东山精密) with 1.299 billion yuan, Honghe Technology (宏和科技) with 1.171 billion yuan, and Hengtong Optic-Electric (亨通光电) with 955 million yuan. Other notable inflows included Tongfu Microelectronics (通富微电) at 874 million yuan, Changxin Technology (长鑫科技) at 830 million yuan, Goertek (歌尔股份) at 823 million yuan, Zhongsu Co. (中塑股份) at 811 million yuan, and Rockchip (瑞芯微) at 773 million yuan. On the outflow side, Sinoma Science & Technology (中材科技) saw the largest net outflow of -601 million yuan, followed by Huatian Technology (华天科技) at -513 million yuan, Far East Smarter Energy (远东股份) at -475 million yuan, Yuanjie Technology (源杰科技) at -397 million yuan, and China Shipbuilding Industry Group Gas (中船特气) at -320 million yuan. Other significant outflows included Jingwang Electronics (景旺电子) at -314 million yuan, China State Shipbuilding Corporation (中国船舶) at -312 million yuan, Shandong Gold (山东黄金) at -290 million yuan, Shijia Photonics (仕佳光子) at -268 million yuan, and JCET Group (长电科技) at -256 million yuan.
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