A-share Market Close | ChiNext Index Rises 3.4%, Siasun Robot&Automation and Computing Power Hardware Lead Gains
On October 28, the three major A-share indices opened higher collectively, then pulled back slightly, and strengthened in volatile trading in the afternoon.
On October 28, the three major A-share indices opened higher collectively, then pulled back slightly, and strengthened in choppy trading in the afternoon. As of the close, the Shanghai Composite Index rose 0.91% to 3,681.47 points, the Shenzhen Component Index rose 2.02% to 11,473.18 points, the ChiNext Index rose 3.40% to 2,634.76 points, the STAR 50 rose 2.45% to 1,282.93 points, and the BSE 50 rose 1.63% to 946.83 points. Turnover across the Shanghai and Shenzhen markets totaled RMB1.628478 trillion, up RMB167.52 billion from the previous trading day. Across the Shanghai and Shenzhen markets, 4,156 A-share stocks advanced, 1,239 declined, and 181 were flat, with 74 hitting the daily limit up and 8 hitting the daily limit down, and advancing stocks accounting for about 74%.
By sector, Non-Metallic Materials II rose 6.17%, Communications Equipment rose 6.01%, Automation Equipment rose 5.38%, Plastics rose 5.30%, Components rose 4.97%, and Aerospace Equipment II rose 4.40%. Among SW Level-1 industries, Communications rose 5.01% and Electronics rose 3.97%. The biggest decliners among Level-2 industries were Baijiu II down 2.20%, Securities II down 0.87%, and Precious Metals down 0.82%; among Level-1 industries, Food & Beverage fell 1.46% and Banks fell 0.58%.
Drivers
In overnight U.S. markets, Anthropic filed an S-1 prospectus with the U.S. Securities and Exchange Commission on October 26 U.S. Eastern Time, disclosing revenue of US$16.286 billion for the first half of 2026, about 14 times the year-earlier level. Market concerns over the sustainability of AI capital expenditure eased somewhat, and U.S. chip stocks rose for a third consecutive trading day. At the October 27 close, the Philadelphia Semiconductor Index rose 3.60% and the Nasdaq rose 1.18%; Western Digital rose 6.95%, AMD rose 5.45%, Coherent rose 6.45%, and Lumentum rose 5.88%.
Before the Korean market opened on October 28, SK Hynix reported third-quarter results for fiscal 2026, with revenue of KRW104.62 trillion and operating profit of KRW83.33 trillion, both above market expectations of KRW98.96 trillion and KRW77.5 trillion; net profit was KRW39.78 trillion, up 216% year on year, below expectations of KRW59.66 trillion. The company also announced a shareholder return arrangement of about KRW100 trillion and expects the memory supply shortage to persist until 2030.
A-share third-quarter reports were also landing intensively: from the evening of October 27 to October 28, Shanghai Fullhan Microelectronics reported third-quarter net profit of RMB425 million, up 620.99% year on year; Shenzhen JPT Opto-Electronics RMB233 million, up 114%; Founder Technology Group RMB616 million, up 327.49%; and 3peak Incorporated RMB303 million, up 401.54%. Eoptolink Technology Inc. said on its interactive platform that it expects fourth-quarter output and shipments to increase substantially from earlier levels, and that the 1.6T ramp-up pace is expected to accelerate further.
In market action, Communications Equipment, Components, and Semiconductors rose 6.01%, 4.97%, and 4.20%, respectively, while the Level-1 Electronics and Communications industries rose 3.97% and 5.01%, respectively.
Among hot sectors
1. [Humanoid Siasun Robot&Automation] The concept index rose 4.12%, with multiple stocks in the concept hitting consecutive daily limit-ups. Xiangyang Automobile Bearing rose 9.99% for a fifth straight limit-up, Changzhou Nrb Corporation rose 9.99% for a third straight limit-up, Wanxiang Qianchao rose 10.02% (three limit-ups in four days), Ningbo Donly rose 10.03%, and Zhejiang XCC Group rose 9.99% to the daily limit; Tanac Automation rose 19.05% (touching the 20CM limit intraday) and Shenzhen Ampron Technology rose 14.19%. Over the same period, Automation Equipment rose 5.38%, the Siasun Robot&Automation actuator concept rose 5.63%, and coreless motors rose 10.67%. On the catalyst side, on October 26 AgiBot released the safety-standard heavy-duty embodied Siasun Robot&Automation Genie G2 Max, with a single-arm payload of 20 kg, dual-arm rated payload of 40 kg and peak of 50 kg, and arm repeat positioning accuracy of 0.5 mm; it has already been deployed on the production lines of leading daily chemical FMCG, e-commerce, and food companies. On October 27, Musk said Siasun Robot&Automation's demand for memory will be larger than that of anything else on Earth, and said Siasun Robot&Automation uses low-power DRAM rather than HBM. Genie G2 Max will be unveiled on October 29 at the 2026 AgiBot Innovation Day.
2. [Computing Power Hardware] Communications Equipment rose 6.01% and Components rose 4.97%. Zhongji Innolight rose 10.28% to RMB636.30, Eoptolink Technology Inc. rose 8.08%, Shenzhen JPT Opto-Electronics rose 16.61%, Founder Technology Group, Olympic Circuit Technology, and Guangdong Guanghua Sci-Tech hit the daily limit, and Shenzhen Edadoc Technology rose 13.29%. On the catalyst side, Eoptolink Technology Inc. said on its interactive platform on October 27 that it expects fourth-quarter output and shipments to achieve substantial growth from earlier levels, and that the 1.6T ramp-up pace is expected to accelerate further; Shenzhen JPT Opto-Electronics reported third-quarter net profit of RMB233 million, up 114% year on year.
3. [Semiconductors] Semiconductors rose 4.20% and the analog chip concept rose 6.46%. Shenzhen Kiwi Instruments and Shanghai Fullhan Microelectronics both hit the 20CM daily limit, Beijing Junzheng rose 18.37%, Brite Semiconductor rose 17.50%, and 3peak Incorporated rose 11.20%. On the catalyst side, SK Hynix reported third-quarter results on October 28, with revenue and operating profit both beating market expectations, and announced a shareholder return arrangement of about KRW100 trillion; on the A-share side, Shanghai Fullhan Microelectronics reported third-quarter net profit of RMB425 million, up 620.99% year on year, and 3peak Incorporated RMB303 million, up 401.54%.
Declining sectors
Food & Beverage fell 1.46% and Baijiu II fell 2.20%, making them the biggest decliners of the day. On the evening of October 27, Wuliangye Yibin disclosed third-quarter net profit of RMB958 million, down 48.25% year on year, the direct trigger for the sector's weakness. Among individual stocks, Anji Foodstuff hit the daily limit down, Tianjin Guifaxiang 18th Street Mahua Food fell 7.67%, Jinhui Liquor fell 6.15%, Anhui Gujing Distillery fell 4.29%, Wuliangye Yibin fell 3.95%, and Kweichow Moutai fell 1.85%.
Non-bank financials weakened in tandem, with Securities II down 0.87% and East Money Information down 0.55%, while Banks fell 0.58% and Insurance II fell 0.44%. Precious Metals fell 0.82%, with Shandong Gold Mining down 0.91%, Zhongjin Gold Corp.,Ltd down 1.72%, and Chifeng Jilong Gold Mining down 0.53%.
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