One company leading the charge in AI research and implementation is Amazon ( AMZN -0.56%). The company is well-positioned to reap the benefits of its foray into AI, which will ultimately help secure its membership in the $3 trillion club by 2027. Let's take a look at how AI will fuel its ascent.

Market researcher IDC forecasts that global AI-related spending could hit $337 billion next year and jump to a whopping $749 billion by 2028. As a result, technology companies selling AI-related hardware and software should ideally witness healthy growth in their businesses next year.

Nvidia (NASDAQ:NVDA) remains the hottest AI stock in the market, and remains the second-largest company by market capitalization in the world. That says a lot about this company, given its revenue relative to current market leader Apple (NADSAQ:AAPL),

Artificial intelligence (AI) investing covers a broad range of companies, including hardware, software, end users, and many that cover a large part of this spectrum. On the hardware side, Nvidia ( NVDA -1.41%) has reigned supreme as the top stock. However, there are other ways to invest in this space.

Nvidia CEO Jensen Huang believes data center operators will invest $1 trillion over the next four years to upgrade their infrastructure in order to meet demand from AI developers. That estimate might be conservative,