AMD Stock Pops on OpenAI Deal; AppLovin Plunges
Key Takeaways A high-profile AI partnership powered a chip stock higher on Monday, Oct. 6, 2025, while an adtech darling tumbled on reports of a regulatory probe. AMD shares took off after the chipmaker announced a collaboration with ChatGPT maker OpenAI. AppLovin shares slumped following reports the Securities and Exchange Commission has been looking into…