The STAR Market 50 Index rose 3%, optical communication and optical modules rallied collectively, memory chips rebounded, the Hang Seng Index fell further during the session, and the two leading AI model companies rose together.

The STAR Market 50 Index rose 3%, optical communication and optical modules rallied collectively, memory chips rebounded, the Hang Seng Index fell further during the session, and the two leading AI model companies rose together.

Nvidia's earnings guidance exceeded market expectations, causing A-share optical communication concept stocks to collectively strengthen.

On August 27, A-shares fluctuated higher in the morning session. The three major stock indexes rose slightly at the beginning of the session and then rose further during the session. The Shenzhen Component Index and the ChiNext Index rose by more than 1%. Driven by the rise in computing power hardware and chip semiconductors, the STAR Market 50 Index rose by 3%. Concept stocks such as optical communication, optical modules, HBM, optical circuit switches, and memory chips collectively rose sharply, while sectors such as electrical power grid, biotechnology, photovoltaics, and energy storage underwent adjustments.

Hong Kong stocks opened higher but closed lower, with the Hang Seng Index and Hang Seng Tech Index both falling in early trading. Tech stocks diverged, while chip and semiconductor stocks rebounded collectively, with Montage Technology and GigaDevice leading the gains. New consumption concept stocks fell across the board, while AI big data companies also rebounded. In addition, InnoLight Technology's H shares rose more than 4%, after the Shanghai and Shenzhen Stock Exchanges announced that InnoLight Technology (H shares) would be included in the Shanghai-Hong Kong Stock Connect program, effective August 27.

In the bond market, treasury bond futures fluctuated and declined. In the commodities market, most domestic commodity futures fell, with the core market trend as follows:

A-shares : As of press time, the Shanghai Composite Index rose 0.03%, the Shenzhen Component Index rose 0.24%, and the ChiNext Index rose 0.43%.



Hong Kong stocks : As of press time, the Hang Seng Index was down 0.56%, while the Hang Seng Tech Index was up 0.05%.



Bond Market : Treasury bond futures fluctuated and fell. As of press time, the 30-year main contract rose 0.02%, the 10-year main contract was unchanged, the 5-year main contract fell 0.01%, and the 2-year main contract was unchanged.



Commodities : Most domestic commodity futures fell. As of press time, crude oil rose more than 2%, soybean meal, silver, and asphalt rose more than 1%, and rubber, manganese silicon, coking coal, fuel oil, rebar, aluminum, industrial silicon, and gold all rose. Pulp, hot-rolled coil, iron ore, copper, polysilicon, nickel, eggs, platinum, glass, lithium carbonate, and coke fell. Container shipping index, stainless steel, tin, alumina, and caustic soda fell more than 1%.

10:56

The STAR Market 50 Index rose more than 3%, the Shenzhen Component Index and the ChiNext Index both rose more than 1%, and the Shanghai Composite Index rose 0.42%. The sectors of computing power hardware, semiconductor chips and agriculture led the gains, with more than 2,800 stocks rising across the three major stock exchanges in Shanghai, Shenzhen and Beijing.

10:18

The memory chip concept rose in early trading, with Dapu Microelectronics hitting the 20cm daily limit in one minute, and its total market value exceeding 200 billion yuan.

In terms of news, on August 26, Dap Microelectronics announced that it had signed a sales order with customer A on August 25, 2026, for enterprise-level PCIe SSDs, the company's main product. The total order amount, including tax, is US$515 million (approximately RMB 3.491 billion). The order will take effect upon written confirmation by both parties, with a delivery period of 18 weeks after the order takes effect.

On August 24, Dapu Microelectronics released its first semi-annual financial report since its listing. Driven by the strong investment wave in AI data center infrastructure, this "unprofitable company," which had accumulated losses of nearly 1.3 billion yuan over the past three years, achieved a turnaround in performance. The semi-annual report shows that in the first half of 2026, Dapu Microelectronics achieved operating revenue of 4.722 billion yuan, a year-on-year increase of 531.17%; net profit attributable to shareholders of the listed company was 1.334 billion yuan, turning a loss of 354 million yuan in the same period last year into a profit; basic earnings per share reached 3.28 yuan.

09:56

Optical communication concept stocks surged, with Changyingtong and Changxin Bocheng rising by more than 10%, and Yangtze Optical Fibre and Hangzhou Electric Power Co., Ltd. hitting the daily limit.

09:26

09:21

The Hang Seng Index opened 0.48% higher, while the Hang Seng Tech Index rose 0.85%. Zhipu surged over 8%, MINIMAX rose nearly 5%, Hansoh Pharmaceutical rose over 5%, and Baidu Group rose over 3%.

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