Nvidia is the talk of the town and many investors expect its business to keep skyrocketing. But the enthusiasm has its limits. Some would say that Nvidia's soaring stock price alr

Nvidia sells graphics processing units (GPUs) that provide computing power for various uses. More than two decades ago, the main function was to support PC gaming. But what has put the business on the map in recent years has been its GPUs that enable training AI models in massive data centers, now representing the bulk of the chipmaker's sales.