Shares of Cyngn Inc. ($CYN) surged dramatically in late June 2025 following the announcement of a collaboration with Nvidia Corporation ($NVDA) aimed at enhancing autonomous vehicle solutions. The stock experienced a pre-market increase of over 100%, peaking at a 134.5% gain pre-market and reaching around $8.61, with intraday gains reported as high as 500%. Cyngn, formerly known for Cyanogen OS, now focuses on industrial autonomy and next-generation robotics, automation, and AI technologies. The company also announced a $17.2 million registered direct offering to secure funding through 2027, supporting its growth plans. Nvidia’s CEO Jensen Huang later confirmed a separate collaboration with Chinese tech firm Xiaomi Holdings Ltd. ($1810.HK) on AI and autonomous driving software, leading to a 1.4% rise in Xiaomi’s shares in Hong Kong. This partnership highlights Nvidia’s expanding role in AI and autonomous vehicle technology development across multiple markets.