<h1>Chinese AI Startup DeepSeek Disrupts Markets with Top-Ranked App, Ignites US-China Tech Competition Debate.</h1> A Chinese tech startup, DeepSeek, is disrupting stock markets with its AI chatbot, sparking debates over US-China competition in AI technology. DeepSeek's app became the top download on Apple's iPhone store, raising concerns about its cost-effective advancements compared to US companies. Analysts caution that the market reaction may be exaggerated, as the technology is not groundbreaking. The release of DeepSeek's new AI model, R1, with advanced reasoning skills, coincided with political events, highlighting geopolitical tensions. The situation challenges US strategies to restrict AI semiconductor sales to China, with some experts suggesting political motivations behind the timing of DeepSeek's announcements.