What Is DeepSeek? What to Know About the Chinese AI Startup That Spurred a Stock Selloff

1. DeepSeek app beats OpenAI in downloads, raising competition concerns. 2. AI stocks like Nvidia and Broadcom experienced a significant sell-off. 3. Analysts suggest the market reaction may be overblown, indicating potential buying opportunities. 4. DeepSeek's low development costs challenge U.S. AI investment assumptions. 5. Non-tech sectors saw gains, while tech-heavy Nasdaq dropped over 3%.