Investors are flocking to the artificial intelligence (AI) space to find stocks capable of producing huge gains for their portfolio. Already, many companies have seen their valuations soar. But the biggest days of growth are still ahead. In 2023, the AI market was valued at just $189 billion. By 2032, this market is expected to surpass $4 trillion in value. Both Nvidia (NVDA 2.33%) and Super Micro Computer Inc. (SMCI 2.87%) are exposed to rising demand for AI. But only one stock should top your buy list for ...