On October 20, the three major A-share indices collectively opened lower before rebounding in choppy trade, with divergent trends emerging in the afternoon session. The ChiNext Index rallied then pulled back, while the Shanghai Composite Index climbed in late trading to close in positive territory.
At the close, the Shanghai Composite Index rose 0.12% to 3,735.37 points, the Shenzhen Component Index fell 0.14% to 11,801.29 points, the ChiNext Index declined 0.26% to 2,739.20 points, the STAR 50 Index gained 1.00% to 1,342.42 points, and the BSE 50 Index surged 3.88% to 982.87 points. Combined turnover across the Shanghai and Shenzhen markets reached 1,456.112 billion yuan, an increase of 18.595 billion yuan from the previous trading day. Across the entire market, 3,777 stocks advanced, 1,668 declined, and 129 were unchanged, with 56 stocks hitting the daily limit-up and 7 hitting the limit-down. Advancing stocks accounted for approximately 67% of the total.
In terms of sectors, consumer electronics, lighting equipment, automation equipment, non-metallic materials, digital media, and IT services led the gains. Conversely, marine equipment, ground armaments, commercial vehicles, insurance, coal mining, and passenger vehicles were among the biggest decliners.
Driving Factors
From October 20 to 22 local time, NVIDIA's GTC conference is being held in Berlin, Germany, with Jensen Huang scheduled to deliver a keynote speech on the 21st. Physical AI, robotics, and agentic AI have been listed as core topics, and the physical AI concept led gains on the day, ranking first among concept sectors. On the afternoon of October 19, CSRC Chairman Wu Qing stated at the opening ceremony of the 2026 Financial Street Forum Annual Conference that the regulator will anchor its efforts on building a primary base for serving innovative small and medium-sized enterprises, and will steadily roll out a series of measures including the BSE 50 ETF, market cap-based allocation for new BSE listings, innovative evaluation standards, and optimization of NEEQ tiered management. The BSE 50 Index rose 3.88% on the day. At a State Council Information Office press conference on October 19, Wei Wei, Director of the Science and Technology Department of the Ministry of Industry and Information Technology, stated that in the first half of this year, China's humanoid robot complete-machine products exceeded 400 models with production surpassing 40,000 units, and full-year production is expected to break through 100,000 units. Customs data showed that China's integrated circuit exports reached 44.95 billion USD in September, a year-on-year increase of 136.0%, higher than the cumulative growth rate of 99.1% for the first three quarters. Overnight, the Philadelphia Semiconductor Index rose 1.61%, ending an eight-day losing streak. Ministry of Commerce data showed that in the first nine months of this year, smart glasses sales on key platforms increased 1.1-fold year-on-year.
Hot Sectors
1. Humanoid Robotics and Physical AI: The physical AI concept led gains among concept sectors, automation equipment rose 2.45%, and the robotics concept remained active with multiple constituent stocks hitting the limit-up. Changying Precision hit the 20CM limit-up, Daye Co. sealed the limit-up at the open for a third consecutive board, while Fulai New Materials, Ningbo Dongli, and Zhejiang Rongtai each posted a second consecutive limit-up. Fantuo Digital hit the 20CM limit-up for a second consecutive board, Suochen Technology rose 13.10%, Orbbec gained 15.86%, and Unitree Robotics advanced 6.07%. In terms of catalysts, NVIDIA's GTC Berlin conference has listed physical AI and robotics as core topics, and the market is focused on Tesla's Optimus progress, with the company set to release its third-quarter earnings on October 21 (US Eastern Time).
2. AI Glasses and On-Device AI: Consumer electronics rose 3.07%, IT services gained 2.34%, and multiple AI glasses-related stocks hit the limit-up. Hengxuan Technology hit the 20CM limit-up at 106.32 yuan, while Longcheer Technology, Beken Corporation, Quectel Communications, and Meige Smart all hit the 10CM limit-up. In terms of catalysts, NVIDIA's GTC conference theme shifted from "selling GPUs" to "AI factories," raising expectations for AI extending from the cloud to the edge. Ministry of Commerce data showed that in the first nine months of this year, smart glasses sales on key platforms increased 1.1-fold year-on-year.
3. Beijing Stock Exchange: The BSE 50 Index rose 3.88%, at one point gaining over 5% intraday, with BSE-listed stocks collectively strengthening. Jiachen Intelligent and Gelie'er both hit the 30% limit-up, Huami New Materials rose 16.91%, Nanfang Dairy gained 9.86%, and Zecheng Electronics advanced 8.76%. In terms of catalysts, CSRC Chairman Wu Qing stated on October 19 that the regulator will steadily roll out a series of measures including the BSE 50 ETF, market cap-based allocation for new BSE listings, innovative evaluation standards, and optimization of NEEQ tiered management.
Declining Sectors
Marine equipment fell 2.67%, ground armaments dropped 2.63%, commercial vehicles declined 1.84%, insurance slipped 1.37%, and coal mining decreased 1.33%. China Shipbuilding fell 2.33%, Great Wall Military Industry dropped 4.63%. In the coal sector, Dayou Energy plunged 9.20% and Shanmei International fell 4.89%. Dye-related stocks were among the biggest decliners, with Shanshui Technology dropping 18.94% and Jinji Co. falling 14.13%. From a range perspective, ground armaments had accumulated gains of 11.49% over the previous two trading days, and Shanshui Technology had risen 49.74% cumulatively from September 30 to October 19, with both posting among the largest single-day declines on the day.
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