51World Selected for NVIDIA Halos SAFE Ecosystem, Share Price Rises 58.92% in a Week

This week (October 20 to 23), the main stock indices in the Hong Kong stock market collectively pulled back, with the Hang Seng Index falling 4.52% cumulatively, the Hang Seng Tech Index falling 5.76%, and the Hang Seng China Enterprises Index falling 4.58%. According to statistics from Securities Times·DataBao, southbound funds recorded a total net sell of HK$17.046 billion this week.

Looking at the actively traded stocks that made the list this week, a total of 19 stocks were included. Tencent Holdings had the highest total buy and sell turnover via Stock Connect this week, reaching HK$34.591 billion; Alibaba-W followed with HK$15.193 billion; others including SMIC and CNOOC also had total buy and sell turnover exceeding HK$10 billion.

In terms of net buy amounts, southbound funds were mixed on internet giants this week. Tencent Holdings received a net buy of HK$1.227 billion from southbound funds, while Zhipu and MINIMAX-W received net buys of HK$1.197 billion and HK$487 million respectively; Alibaba-W saw a net sell of HK$4.298 billion, and Xiaomi Group-W saw a net sell of HK$1.227 billion.

Tencent Holdings' latest southbound holdings reached 1.09 billion shares, the highest in nearly half a year. Its share price fell 7.61% cumulatively this week, hitting a new low since the adjustment on Friday, with its latest market value barely holding at HK$3.5 trillion. Recently, two of Tencent's leading office products by user scale—WeCom and WorkBuddy—jointly released a new version, achieving deep two-way integration. After this upgrade, WorkBuddy officially entered the WeCom address book and can access WeCom's work context, with the two sharing a single WeCom account system.

Zhipu surged 8.29% on October 23. It had been continuously pulling back since September, with a cumulative decline of nearly 60%. Recently, international security researcher Yuki Chen (Gu He), who has topped Microsoft MSRC's annual "Most Valuable Security Researcher" list for many consecutive years, announced on social media that he had joined Zhipu and entered the GLM foundation model team, with the core task of enhancing the large model's cybersecurity (cyber) capabilities.

In terms of market performance, actively traded stocks were mostly down this week. 51World topped the gainers with a cumulative weekly rise of 58.92%, MINIMAX-W rose 3.02% cumulatively, and Xiaomi Group-W rose 0.53%. Realord Technology shares fell 90.78% for the week, the largest decline, while Lenovo Group and SMIC fell 19.32% and 10.19% respectively. In addition, several electronics stocks fell significantly.

On October 23, 51World surged 30.31%, with Stock Connect turnover of HK$1.187 billion that day, making its first appearance on the active trading list in nearly a month, with a net buy of HK$17 million and a latest total market value of HK$27.2 billion.

51World was founded in 2015 and is one of the few physical AI infrastructure companies in China with capabilities in 3D graphics, simulation, and AI engineering simultaneously. On the evening of October 22, the company announced that its subsidiary Wanwu Mirror (Beijing) Computer System Co., Ltd. (51Sim) was selected for the NVIDIA Halos SAFE ecosystem list announced by NVIDIA on October 21, 2026, making it the only Chinese company on the list. Halos SAFE is a new framework launched by NVIDIA in the autonomous driving field, integrating simulation and real-vehicle testing, aimed at generating measurable and traceable safety evidence, with its technical system covering the full cycle of design, deployment, and validation.

8 stocks see holdings increase over 10% month-on-month

In terms of changes in holdings, 8 stocks saw their southbound holdings increase by more than 10% month-on-month this week (excluding stocks newly included in Stock Connect since September). Xipuni topped the list with a month-on-month increase of 50.87%; others with leading month-on-month increases in holdings included Luxshare Precision, Jingwei Tiandi, and Zhuoyue Ruixin, with month-on-month increases of 25%, 23.75%, and 19.76% respectively.

Xipuni recently announced that its controlling shareholder sold 100,000 H shares of the company on October 14 at an average price of HK$45.63 per share, accounting for approximately 0.17% of the total issued shares. The company recently announced that at the 140th China Import and Export Fair (Phase II), Xipuni presented a diversified product matrix including precious metal watches, intangible cultural heritage twelve-shichen series watches, precious metal smart watches, and precious metal smart rings, making its brand "debut" on the international trade stage.

Luxshare Precision announced that it has reached a cooperation with Easelink to become Easelink's first technology licensing partner in Asia. The two parties will jointly promote the industrialization and product launch of Matrix Charging® technology in China. This cooperation further expands Luxshare Precision's industrial cooperation space in the automated charging field and also creates conditions for the application of related technologies in the Chinese market.

In terms of the proportion of Stock Connect holdings in total Hong Kong shares, among the stocks whose Stock Connect holdings increased by more than 10% month-on-month this week, Jingwei Tiandi, Zhaowei Electromechanical, and Lead Intelligent had the highest latest holding ratios, reaching 70.61%, 25.57%, and 22.39% respectively.

(Source: DataBao) Mid-article embedded advertisement