Shares of Nvidia have soared almost 800% over the last two years, but can the company keep its growth up?Over the last two years, the prospects of artificial intelligence (AI) have become a bellwether for the technology industry. Among a long list of AI investment opportunities, semiconductor companies have emerged as some of the most lucrative.Since ChatGPT took the world by storm in November 2022, shares of Nvidia (NVDA -1.92%) have gained a jaw-dropping 760% as of this writing. In fact, the company's mar ...