Nvidia's moonshot to a $1 trillion valuation closely virtually mirrors the sudden takeoff that lifted another shooting star to that landmark two years ago—you guessed it, Tesla. But the EV pioneer soon tumbled from the Trillion-Dollar Club, and has since dropped back to the level where its sudden, stupendous rise began. Nvidia is another player that's achieved what could well be an inflated valuation based on excessive optimism about a "technology of the future"—the acronym that's got Wall Street partying, A.I. Indeed, its time in the exclusive club could be brief, just like Tesla's.
