Last year, multinational company Nvidia's market value became $5 trillion, which is bigger than the annual production size of most major global economies at this point. At about the same time, the world's biggest tech companies announced investment plans that may total more than a trillion dollars over the next few years, much of which will be focused on building infrastructure for AI, data centres, and advanced computing systems. AI-led investments are guiding a new trend in the world stock market trends and across major economies - while sucking out capital from emerging market economies and other sectors.