The Hang Seng Index fell 0.87%, dropping 229 points to 26,159 in morning trading, while the Hang Seng Tech Index declined 1.26%. Morning session turnover reached HKD 151.1 billion.

Tesla's third-generation humanoid robot, Optimus V3, is expected to debut in mid-2024, with mass production commencing in July-August 2026. Product testing is progressing steadily, and external application scenarios are anticipated by 2027, signaling the robotics industry's entry into a phase of mass-production competition.

The robotics sector led the gains. ZHAOWEI (02692) surged over 17%, and ESTUN (02715) jumped 14%. DOBOT (02432) rose 6.86%. GIGADEVICE (03986) gained over 2% as the MCU chip sector experiences multiple rounds of price hikes, with the company continuing to expand its product and technological capabilities. JOYSON ELEC (00699) advanced 6%, as the company focuses on core robotics components and related assembly solutions.

JOINN (06127) bucked the market trend, climbing over 7% after reporting a nearly 480% year-on-year increase in first-quarter attributable net profit, with new order signings continuing to show robust growth. XUNCE (03317) rose another 4% as a general token price reduction fueled market demand, while its vertical-specific tokens maintained premium pricing and strong demand.

INNOGEN-B (02591) fell 5.86%, with its stock price approaching a historical low as cornerstone investor lock-ups expired today. Non-ferrous metals stocks continued their decline, pressured by rising interest rate expectations capping price upside, with institutions noting weak short-term demand for copper and aluminum. MMG (01208) dropped 5.5%, and JIANGXI COPPER (00358) declined 4.9%.

INNOVENT BIO (01801) fell over 5% following recent share disposals by its founder, Yu Dechao, which netted approximately HKD 121 million. ALI HEALTH (00241) dropped over 6% despite reporting a 19.3% year-on-year increase in annual adjusted net profit, as the company announced a change in its CFO. KB LAMINATES (01888) declined 4.87% after China Jushi announced capacity expansion plans, with Citigroup suggesting this could create negative market sentiment for the company in the short term.