CNBC Daily Open: Robots rising, tariff turnaround and yield nerves

The Unitree H1 humanoid robot competes in the 400m event for Track and Field on day one of the World Humanoid Robot Games at the National Speed Skating Oval (Ice Ribbon) on August 15, 2025 in Beijing, China. Zhang Xiangyi | China News Service | Getty ImagesHello, this is Leonie Kidd coming to you from London. It's a sign of the times when a humanoid robot maker, founded 10 years ago in a 50-square-meter office in Hangzhou, China, takes to market with a near 500% rally on its opening day of trading. In a nervous market full of geopolitical tension, IPOs have attracted a lot of investor attention, with AI darlings Anthropic and OpenAI preparing for their own debuts. But today, it's Unitree with the "superhuman" start to trade. What you need to know todayUnitree Robotics made a blockbuster stock market debut in Shanghai on Wednesday, with its newly listed shares last trading 484% higher. The Hangzhou-based humanoid robot maker has raised around 6.1 billion yuan ($905 million), according to its prospectus. The group counts Chinese tech giant Tencent as an investor, while AI group DeepSeek also invested in the IPO. On Monday, Unitree unveiled a new humanoid robot called "Superhuman," wh...