The rise of China's AI startup DeepSeek dented US tech stocks overnight (27th), and the wealth of the world's 500 richest people evaporated US$108 billion in a single day, Bloomberg reported.Among which, AI-related billionaires bore the brunt. Nvidia (NVDA.US) co-founder Jensen Huang and Oracle (ORCL.US) co-founder Larry Ellison's wealth wiped off US$20.1 billion and US$22.6 billion on the same day respectively, accounting for 20% and 12% of their wealth.Related NewsJPM Elevates Apple (AAPL.US) TP to US$270 as Guidance BeatsSeparately, Dell Technologies (DELL.US) CEO Michael Dell and Binance co-founder Changpeng Zhao’s wealth subtracted by US$13 billion and US$12.1 billion respectively. Tech billionaires lost US$94 billion of wealth.(Real-time Streaming US Stocks Quote; Except All OTC quotes are at least 15 minutes delayed.)