A-Share Capital Rotates from Optical Modules to Chips and Auto Stocks, PCB Leader Tops Inflows
During the week of September 21-24, major capital in China's A-share market rotated out of optical module and chip packaging/testing stocks into domestic chips and automotive sectors. PCB leader Shenghong Technology attracted the highest net inflow of 1.623 billion yuan, while optical module leader Tianfu Communication saw the largest net outflow of 2.603 billion yuan. The electronics sector overall lost 14.155 billion yuan.
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- Reports are grouped by semantic similarity and deterministic rules. Language models may assist titles, summaries, translation and cross-source analysis; the page reads the event directly, while its address stays stable when the title changes.
- Summary covers the current reports
Cross-source coverage
Common ground
- All agents agree that the capital flows show a significant shift from optical modules and some semiconductor subsectors into domestic chip design and PCB manufacturing.
- There is agreement that geopolitical factors, particularly Western sanctions, are influencing market behavior in China.
- All acknowledge that the 7 billion yuan inflow into beauty and personal care is a notable data point that complicates any single narrative.
Points of contention
- The Neutral Agent argues this is mainly momentum-chasing and granular bets on near-term fundamentals, while the Eastern and Regional Agents see it as a strategic realignment tied to national tech self-reliance.
- The Neutral Agent insists the data doesn't support a clean 'domestic good, Western bad' story, pointing to contradictory flows within the same sector, but the Eastern Agent says this shows sophisticated market distinctions within policy priorities.
- The Regional Agent frames the rotation as a trauma response to sanctions, while the Eastern Agent calls it rational adaptation, and the Neutral Agent dismisses both as overblown narratives built on one day's data.
Blind spots
- All agents overlook the possibility that the beauty and personal care inflows might reflect a temporary consumer trend or seasonal spending, not a structural economic signal.
- The debate fails to consider how global investor sentiment or foreign capital flows might also be driving these movements, not just domestic factors.
- None of the agents address the potential for regulatory changes or unexpected policy shifts that could quickly alter the capital rotation pattern.
WorldAttention’s read
This debate shows that a single day's capital flow data can be interpreted very differently depending on your lens. The Neutral Agent sees it as routine market noise, with institutional investors making technical bets within sectors based on earnings and valuations. The Eastern Agent views it as a clear sign of China's strategic pivot toward tech independence, with capital following government priorities in response to Western sanctions. The Regional Agent emphasizes the human cost and trauma behind the numbers, arguing the market is reacting out of fear and survival, not confidence. While all agree that geopolitical pressures are at play, they clash on whether this is a sign of strength, weakness, or just normal market behavior. The biggest blind spot is that everyone is trying to force a complex, messy reality into a single clean story—when in truth, multiple forces are at work simultaneously, and one day's trading doesn't reveal a grand historical shift.
Reporting timeline
Over 2.6 Billion Yuan in Main Capital Exits Optical Module Leader, Shifts to Chips and Auto Stocks
According to a report from 21st Century Business Herald, main capital (major investor funds) in China's A-share market rotated out of optical module and chip packaging/testing concept stocks this week, flowing into domestic chip and automotive sectors. PCB leader Shengyi Technology led the market with net inflows of 1.547 billion yuan, rising 2.48% for the week. Automaker Jianghuai Automobile followed with 1.476 billion yuan in net inflows, surging 19.12% over three consecutive days. The company issued a stock trading abnormality announcement on September 23, stating the price deviation exceeded 20% in three days but found no undisclosed material information. AI computing chip leader Haiguang Information attracted 1.163 billion yuan, up 2.87%. Conversely, optical module leader Tianfu Communication saw the largest net outflow of 2.603 billion yuan, falling 5.88% for the week, though its year-to-date gain remains 85.41%. Dongshan Precision, Huatian Technology, and other stocks also experienced significant outflows.
PCB Giant with 220 Billion Market Cap Tops A-Share Fund Inflows This Week
According to Wind data cited by China Securities Journal via Tencent Finance, 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 7.01 billion yuan, while electronics and communications saw net outflows exceeding 10 billion yuan each. At the individual stock level, Shengyi Technology (胜宏科技), a PCB company with a market cap of approximately 223.5 billion yuan, led all stocks with net main capital inflows of 1.623 billion yuan, rising 2.48% for the week. Dongshan Precision (东山精密) topped the outflow list with 3.125 billion yuan in net outflows, falling 5.18%. The report noted that 310 stocks received net main capital inflows for four consecutive days, while optical communication stocks known as 'Yi Zhong Tian' (天孚通信, 中际旭创, 新易盛) appeared on the net outflow list. The analysis highlights divergent performance within the electronics sector, with PCB-related stocks showing contrasting fund flow patterns.
Read sourceOver 2.6 Billion Yuan in Main Capital Flees Optical Module Leader Tianfu Communication
According to a report by Sina Finance's stock list, main capital (主力资金) flowed out of optical module and chip packaging/testing concept stocks in the week ending September 24, 2024, rotating into domestic chips and automobile sectors. PCB leader Shenghong Technology led all stocks with a net main capital inflow of 1.547 billion yuan, rising 2.48% for the week despite a 4.75% drop on September 24. Automaker Jianghuai Automobile followed with 1.476 billion yuan net inflow, surging 19.12% over three consecutive trading days, prompting the company to issue a stock trading anomaly announcement on September 23 stating no undisclosed material information. AI computing chip leader Haiguang Information attracted 1.163 billion yuan. On the outflow side, optical module leader Tianfu Communication saw the largest net main capital outflow of 2.603 billion yuan, falling 5.88% for the week, though its year-to-date gain remains 85.41%. Dongshan Precision and packaging/testing leader Huatian Technology also saw significant outflows of 2.522 billion and 2.418 billion yuan respectively. The article notes these figures are for reference only and do not constitute investment advice.
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PCB Giant with 220 Billion Yuan Market Cap Tops A-Share Fund Inflows This Week
According to Wind data cited by Tonghuashun Finance, during the trading week of September 21-24, A-share market saw significant divergence in main capital flows. Among 31 Shenwan primary industries, the Beauty & Personal Care sector led with net inflows of 7.01 billion yuan, while Electronics and Communications sectors saw net outflows exceeding 10 billion yuan each. On the individual stock level, Shengyi Technology (300476), a PCB manufacturer with a market cap of approximately 223.5 billion yuan, topped the net inflow list with 16.23 billion yuan, followed by Guangzhi Technology (300489) with 10.68 billion yuan. PCB-related stocks like WUS Printed Circuit (002463) and Shennan Circuits (002916) also ranked among the top ten inflows. Conversely, Dongshan Precision (002384) led net outflows with 31.25 billion yuan, followed by optical communication stocks including Tianfu Communication (300394), Zhongji Innolight (300308), and Xinyisheng (300502). The article notes that 310 stocks saw net inflows for four consecutive days, while 576 stocks experienced net outflows for four consecutive days.
Read sourcePCB 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.
Read sourcePCB Giant Shenghong Technology Tops A-Share Capital Inflows This Week
According to Tonghuashun Finance, citing Wind data, A-share main capital flows showed clear divergence during the week of September 21-24. Among 31 Shenwan primary industries, the Beauty & Personal Care sector led net inflows at 701 million yuan, while Electronics and Telecommunications saw net outflows exceeding 10 billion yuan each. On individual stocks, Shenghong Technology (300476), a PCB manufacturer with a market cap of approximately 223.5 billion yuan, attracted the largest net inflow of 1.623 billion yuan, rising 2.48% for the week. Guangzhi Technology (300489) ranked second with 1.068 billion yuan net inflow and a 20.72% weekly gain. Dongshan Precision (002384) recorded the largest net outflow of 3.125 billion yuan, falling 5.18%. Other notable outflows included optical communication stocks 'Yi Zhong Tian' (Tianfu Communication, Zhongji Xuchuang, Xinyisheng). A total of 310 stocks saw net inflows for four consecutive days, while 576 stocks experienced four consecutive days of net outflows.
Read sourcePCB Giant with 220 Billion Market Cap Tops A-Share Fund Inflow This Week
According to data from East Money, during the trading week of September 21-24, the A-share market saw significant divergence in main capital flows. Among 31 Shenwan primary industries, the Beauty & Personal Care sector led 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. At the individual stock level, PCB (Printed Circuit Board) company Shenghong Technology (胜宏科技) attracted over 1.6 billion yuan in net main capital inflows, ranking first among all A-shares. Other PCB stocks like WUS Printed Circuit (沪电股份) and Shennan Circuits (深南电路) also saw significant inflows. Conversely, Dongshan Precision (东山精密), also a PCB-related firm, 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 in capital flows and stock performance among companies within the same PCB industry. Other notable outflows included Huatian Technology (华天科技) and optical communication stocks known as 'Yi Zhong Tian' (Tianfu Communication, Zhongji InnoLight, Xinyisheng).
Read sourcePCB 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 sourcePCB Giant with 220 Billion Market Cap Tops A-Share Fund Inflows This Week
According to data from East Money, during the trading week of September 21-24, main capital flows in China's A-share market showed significant divergence. Among 31 Shenwan primary industries, the beauty and personal care sector led 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 despite being the most actively traded sector. On individual stocks, PCB (printed circuit board) company Shenghong Technology (胜宏科技) attracted over 1.6 billion yuan in net inflows, ranking first among all stocks. Other PCB-related stocks like WUS Printed Circuit (沪电股份) and Shennan Circuits (深南电路) also saw inflows. Conversely, Dongshan Precision (东山精密), also involved in PCB business, recorded the largest net outflow of 3.125 billion yuan and fell 5.18% for the week. The article notes that 310 stocks received net inflows for four consecutive days. The data is sourced from China Securities Journal.
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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