DeepSeek: Did a little known Chinese startup cause a ‘Sputnik moment’ for AI? : NPR https://www.npr.org/2025/01/28/g-s1-45061/deepseek-did-a-little-known-chinese-startup-cause-a-sputnik-moment-for-ai "Buzz around DeepSeek built into a wave of concern that hammered tech stocks on Monday. It wiped almost $600bn from chipmaker Nvidia's market value."