OpenAI just made AMD the biggest winner in tech by breaking free from Nvidia's chokehold, and the market went absolutely wild. With OpenAI's partnership, AMD's stock skyrocketed by 28%. The future of AI infrastructure just became a two-horse race, with OpenAI holding both sets of reins. Welcome to the new economy, where your AI assistant's creator also shapes global semiconductor markets. AMD shareholders are ordering champagne, while Nvidia executives update their competitive threat assessments.