Investing in Nvidia could make you a millionaire. But you'll probably need more than $10,000. To put that figure into perspective, the U.S. GDP last year was roughly$29.2 trillion. The GDP for the entire world was around $110.5 trillion. All Nvidia would have to do to make you a millionaire with a$10,000 investment is to grow to 3.8 times the economic output of every country on the planet. Easy, peasy, right? Potential scenarios If you had invested $10,000 in Nvidia (NVDA -0.12%) on the day of its initial ...