BEIJING, Sept 24, 2025 (BSS/AFP) - Alibaba announced on Wednesday a "milestone collaboration" in AI tech with US chip giant Nvidia that the Chinese company said will accelerate its development of humanoid robots. The news came as Alibaba's shares soared more than nine percent in Hong Kong after chief executive Eddie Wu unveiled plans to further ramp up spending on artificial intelligence. China and the United States are locked in a fierce tech battle, with the California-based AI chip leader Nvidia wound up in their race for supremacy in advanced semiconductors. Washington restricts Nvidia from exporting its most advanced products -- a crucial component in the generative AI revolution -- to China. Alibaba, which runs some of China's biggest online...