Nvidia (NASDAQ: NVDA) stock has richly rewarded investors. Shares of the artificial intelligence (AI) chip and technology infrastructure leader have returned 18,300% over the last decade, transforming a modest $1,000 investment into a whopping $184,000. The S&P 500 index returned 328% over this period. Over the last year, Nvidia stock has returned 45% through June 18, which is lower than most of its recent annual gains but still a strong gain.