It's been two years since the explosion of generative artificial intelligence started to transform Nvidia's business. Since then, the chipmaker's revenue has more than tripled and profits have quadrupled.Nvidia's second-quarter earnings report, scheduled for Wednesday, will mark the second anniversary of growth, as the company shifted from being known as a maker of gaming chips to its current position at the heart of the technology industry.Last month, Nvidia became the first company to hit a $4 trillion ma ...