Hong Kong AI Concept Stock Daily：Alibaba's Qwen3.8-27B tops the global large-model trending chart; Z.AI (02513.HK) fell more than 10%-20260818

NewTimeSpace · 2026/08/18 17:54 · By Zeyu Wu

On August 18, 2026, The Hang Seng Index rose 0.07%, the Hang Seng TECH Index fell 0.90%, and the Hang Seng China Enterprises Index edged up 0.16%. The Hong Kong market's total turnover was HK$255.5 billion, with southbound funds recording a net inflow of HK$14.001 billion.The large-model segment remained under pressure, with the two front-runners plunging: Z.AI (02513.HK) fell 13.30% and MINIMAX-W (00100.HK) fell 4.49%. TENCENT, MEITUAN-W and others continued to weaken, while ALIBABA-W (09988.HK) rose against the trend by 3.68%.

I. Market Overview

On August 18, 2026, the three major Hong Kong stock indices closed mixed, with tech themes notably retreating. The Hang Seng Index rose 0.07%, the Hang Seng TECH Index fell 0.90%, and the Hang Seng China Enterprises Index edged up 0.16%. The Hong Kong market's total turnover was HK$255.5 billion, with southbound funds recording a net inflow of HK$14.001 billion.

The large-model segment remained under pressure, with the two front-runners plunging: Z.AI (02513.HK) fell 13.30% and MINIMAX-W (00100.HK) fell 4.49%. TENCENT, MEITUAN-W and others continued to weaken, while ALIBABA-W (09988.HK) rose against the trend by 3.68%.

Most names in the AI chip segment weakened: SMIC (00981.HK) rose against the tide by 0.93%, HUA HONG GRACE (01347.HK) fell 7.86%, ILUVATAR COREX (09903.HK) fell 6.80%, with MONTAGE TECHNOLOGY, GIGADEVICE, and BIREN TECH following lower.

The smart-driving segment was mixed: WERIDE-W (00800.HK) rose against the trend by 5.82% and HORIZONROBOT-W (09660.HK) fell 5.32%, with BLACK SESAME, ROBOSENSE, and PONY-W following lower.

The embodied-intelligence segment strengthened in the afternoon: UBTECH ROBOTICS (09880.HK) rose 2.21% amid fluctuations and XIAOMI-W (01810.HK) gained 1.16%.

II. Market Performance of Representative AI Stocks

Stock Code	Company Name	Closing Price (HKD)	Change	Sector / Concept
00800.SH	WERIDE-W	16.740	5.82	Autonomous Driving
09988.SH	BABA-SW	126.700	3.68	AI Chips
09880.SH	UBTECH ROBOTICS	94.800	2.21	Embodied AI
01810.SH	XIAOMI-W	26.180	1.16	Embodied AI
00981.SH	SMIC	75.850	0.93	AI Chips
09888.SH	BIDU-SW	101.100	0.80	LLM
02498.SH	ROBOSENSE	22.320	-0.71	Autonomous Driving
00700.SH	TENCENT	442.400	-0.90	LLM
01024.SH	KUAISHOU-W	39.380	-1.75	LLM
02026.SH	PONY-W	62.100	-2.36	Autonomous Driving
03690.SH	MEITUAN-W	85.550	-2.40	LLM
02533.SH	BLACK SESAME	11.530	-3.43	Autonomous Driving
06082.SH	BIRENTECH	37.560	-3.64	AI Chips
00100.SH	MINIMAX-W	318.800	-4.49	LLM
09660.SH	HORIZONROBOT-W	4.720	-5.32	Autonomous Driving
06809.SH	MONTAGETECH	290.800	-6.50	AI Chips
03986.SH	GIGADEVICE	517.500	-6.59	AI Chips
09903.SH	ILUVATAR COREX	425.000	-6.80	AI Chips
01347.SH	HUA HONG GRACE	128.900	-7.86	AI Chips
02513.SH	Z.AI	1,043.000	-13.30	LLM

Data Source: HKEX. For reference only, not investment advice. Data as of market close on August 18, 2026.

III. AI Industry & Corporate Developments

1. Alibaba's Qwen3.8-27B tops the global large-model trending chart

On August 17, Alibaba's Qwen3.8-27B topped Hugging Face's global large-model trending chart, with downloads surpassing 1 million within two days of open-sourcing. Hugging Face's latest report notes that Alibaba's Qwen large model has become a foundational model for the global open-source community.

2. China's AI large-model call volume leads for sixteen consecutive weeks

Recently, based on the latest OpenRouter data, global AI large-model total call volume last week (August 10–16) reached 75.3 trillion tokens, up 9.13% week-on-week. Among the listed large models, China's AI large-model weekly call volume reached 36.84 trillion tokens, up 7.56% week-on-week, while the U.S. AI large-model weekly call volume over the same period was 10.26 trillion tokens, up 11.89% week-on-week. China's large-model weekly call volume has exceeded that of the U.S. for sixteen consecutive weeks, firmly ranking first globally.

3. Unitree unveils the "Superman" robot, to list on the STAR Market on August 19

Unitree announced on August 17 that its shares will be listed on the STAR Market of the Shanghai Stock Exchange on August 19, 2026.

On the same day, Unitree unveiled the "Superman." Unitree stated that this humanoid robot breaks the limits of all humankind: with 0.85-meter legs, it can jump 2 meters high on the spot, and its top speed is 12.66 m/s, surpassing the world records for standing high jump and running speed of all humans. The brand-new complete machine was developed in just over three months, and there is still significant room for refinement in the coming months.

4. NVIDIA announces a US$1.5 billion investment in SB Energy

On August 17, NVIDIA announced a US$1.5 billion investment in SB Energy, an AI infrastructure developer, to support its business expansion and AI computing infrastructure build-out. This investment will make NVIDIA an investor in SB Energy after SoftBank Group and OpenAI.

IV. Profiles of Representative AI Concept Stocks

Company Name	Stock Code	Industry Position	Main Product Lines & Business Overview
BABA-W	09988.HK	China's cloud and AI leader	The company has released several new models, including Qwen3.6-Plus, with the Qwen LLM surpassing 1.4 trillion Tokens in daily API calls, setting a new global record for daily calls on third-party platforms. The Qwen consumer-facing application has exceeded 300 million MAU and has been integrated into the smart cabins of multiple automakers. It consistently ranks at the forefront in international benchmark evaluations for coding and agentic capabilities. Its business layout seamlessly matches the trend of scaled procurement of computing power and model APIs by government and enterprise clients.
XIAOMI-W	01810.HK	Full-stack AI technology giant anchored by the "Human x Car x Home" ecosystem	Its foundational model family MiMo has entered the top tier of global open-source models; MiMo-V2-Pro features over 1 trillion parameters, while MiMo-V2.5-Pro tied for 1st globally among open-source models with a score of 54 on the Artificial Analysis composite index. AI capabilities fully power the "Human x Car x Home" ecosystem, driving iterative upgrades in the CyberOne humanoid and CyberDog bionic quadrupeds. Multimodal computer vision, force-control algorithms, and automated dispatch logics are deeply integrated into dark-factory production and flexible manufacturing.
UBTECH ROBOTICS	09880.HK	The purest humanoid robot stock in Hong Kong	The company focuses on humanoid robot R&D, full‑stack motion control algorithms, and commercial deployment across industrial and logistics scenarios. Its flagship Walker S series has been integrated into assembly lines of leading new energy vehicle manufacturers for parts handling, precision assembly, and intelligent quality inspection, pioneering the transition from lab prototypes to industrial automation at scale.
WERIDE-W	00800.HK	The world's only L4 cross-scenario autonomous driving platform holding permits across seven countries	Holds autonomous driving permits across China, the UAE, Singapore, France, Saudi Arabia, Belgium, and the US. Built upon the proprietary WeRide One platform, the company covers smart mobility, logistics, and sanitation across five core product lines: Robotaxis, Robobuses, Robosweepers, Robovans, and Advanced Driving Assistance Systems (ADAS). Operations cover over 30 cities across 11 countries, supported by an L4 fleet exceeding 1,500 vehicles.
SMIC	00981.HK	Mainland China's premier pure-play foundry with complete process coverage	The leading foundry in Mainland China, steadily ramping advanced modified N+1/N+2 nodes to absorb domestic AI compute chip orders. Mature nodes (28nm and above) provide stable cash flow backed by automotive power semiconductor demand. Positioned at the intersection of domestic AI substitution and mature-node revaluation, Q1 2026 revenue reached $2.505 billion (+11.5% YoY) with capacity utilization at 93.1%.

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