On September 4, all three major Hong Kong indices advanced, with the Hang Seng Index up 1.74% to 25,650.87 points and the Hang Seng TECH Index up 2.27%, on markedly expanded turnover of HKD 276.857 billion. AI application plays led the gains, with PHANCY up 14.66% and MARKETINGFORCE up 13.52% following OpenAI's release of GPT-6 Astra; mainland property developers extended gains, with SUNAC up 14.29%; innovative drug plays gained broadly, with AKESO up 11.45%. Semiconductor stocks plunged against the trend, with HUA HONG GRACE down 8.43% and GENSCRIPT BIO down 13.33%. Southbound capital recorded net selling of HKD 10.021 billion. The Hang Seng quarterly review takes effect today, and Goldman Sachs expects passive inflows of USD 870 million into tech hardware and semiconductors.
On 4 September 2026, CBHB (09668.HK) announced the completion of its 2026 financial bonds (Tranche I) of RMB 15.0 billion with a three-year tenor and a 1.60% coupon, accruing interest from 4 September 2026, with proceeds to replenish funding and optimise the liability structure.
On 4 September 2026, RAINMED-B (02297.HK) announced the resignation of non-executive director Wang Lin due to other work commitments and the appointment of Lu Xun as his successor.
On 4 September 2026, KANGDA ENV (06136.HK) announced the completion of its USD 50 million 8.0% senior notes due 2029, its first notes issuance after obtaining international credit ratings, with net proceeds for debt repayment and working capital.
September 4, 2026—the three major Hong Kong indices opened higher and rebounded, with the Hang Seng Index up 1.74%, the Hang Seng TECH Index up 2.27%, and the Hang Seng China Enterprises Index up 2.02%. The Hang Seng Index's total market turnover was HK$276.9 billion,Southbound funds saw a net outflow of HK$10.021 billion.
On 4 September 2026, JD LOGISTICS (02618.HK) announced the resignation of CFO Wu Hao, who will move to the JD Group, and the appointment of Mao Jun as CFO, effective 4 September 2026; Mr. Mao previously served as CFO of Dada Nexus and a senior PwC accountant.
On 4 September 2026, CHINA RES LAND (01109.HK) announced the appointment of Zhang Xin as executive director .
On 4 September 2026, HYSAN DEV (00014.HK) announced that its subsidiary has entered into a financing agreement with a principal amount of HKD 10 billion (comprising a HKD 7,911 million Tranche A and HKD 1,089 million Tranche B green term loans and a HKD 1,000 million Tranche C green revolving loan), with Hang Seng and HSBC providing HKD 1.3 billion and HKD 2.2 billion respectively; as Hang Seng is a substantial shareholder of subsidiary Barrowgate (24.64%) and HSBC is its holding company, those portions constitute connected transactions subject only to announcement and reporting requirements under Rule 14A.101.
On 4 September 2026, FORTIOR (01304.HK) announced a subscription of RMB 70 million in principal-guaranteed structured deposits with Bank of Jiangsu, taking its outstanding principal to approximately RMB 270 million when aggregated with previous subscriptions, constituting a discloseable transaction.
On 4 September 2026, RISECOMM GP (01679.HK) announced the resignation of independent non-executive director Mr. Zou Heqiang due to his other business commitments; following the resignation, the proportion of independent non-executive directors is below one-third and the numbers of INEDs and audit committee members fall below the minimum requirements under Rules 3.10A, 3.10(1) and 3.21, and the Board will identify suitable candidates to fill the vacancy within three months.
On 4 September 2026, SY HOLDINGS (06069.HK) announced that Mr. Wang Zheng has resigned as company secretary and authorised representative, with Ms. Chan Yuen Ying appointed to succeed him, both effective 4 September 2026; Ms. Chan is a fellow of The Chartered Governance Institute and The Hong Kong Chartered Governance Institute, with over 25 years of experience in company secretarial and compliance matters of listed companies.
On 4 September 2026, BILIBILI-W (09626.HK) announced a proposed offering of USD 700 million convertible senior notes due 2031 (with Tencent subscribing for USD 200 million through its subsidiaries), together with a concurrent equity placement and share repurchases of approximately USD 300 million (USD 100 million hedge repurchases plus USD 200 million concurrent Tencent repurchase); part of the proceeds will be used for AI-driven business growth, and the concurrent Tencent repurchase is subject to approval by a three-quarters majority of disinterested shareholders at an extraordinary general meeting.
September 4, 2026—The chip theme continued to come under pressure, with Hua Hong Grace (01347.HK) slumping sharply. As of 13:40, the stock was quoted at HK$109.100, down 8.93%.
on September 4, 2026, the robotics theme weakened amid volatility, while Midea Group (00300.HK) strengthened against the trend. As of 13:26, the company's quote was HK$101.000, up 0.50%.
On 4 September 2026, HONY MEDIA (00419.HK) announced that its indirect subsidiary Ainuobo (Chengdu) has signed a five-year cooperation agreement with A-Living Smart Property Services (a wholly-owned subsidiary of A-Living Services) on jointly constructing and operating a property robot operation platform based on the AIROBO operating system for unified access and operation of multi-brand robots; A-Living Services manages over 500 million square metres of properties and recorded revenue of over RMB 12.8 billion in 2025.
On 4 September 2026, OURGAME (06899.HK) issued a quarterly update on its resumption progress: the joint official liquidators' appointment was recognised by the Hong Kong court on 26 June 2026, but they still face challenges accessing the books and records; the Company must meet seven items of resumption guidance (including publishing results, setting aside the winding-up order and forensic investigation) by 3 September 2027, failing which its listing may be cancelled; trading has been suspended since 4 March 2026 and will remain suspended.
