Chris Rongey and Amy Marxkors explore the rapid advancements in the AI sector, focusing on the rise of DeepSeek, a Chinese AI company claiming to have developed a superior model at a fraction of the cost compared to industry leaders like OpenAI. Wall Street Journal’s Gregory Zuckerman shares insights into DeepSeek’s founder, Liang Wenfeng, and his background in quantitative investing. They discuss the impact of DeepSeek on tech stocks, AI market dynamics, and the geopolitical ramifications, including its role in a new potential "Cold War."