Demand for artificial intelligence hardware and services isn't slowing down. These companies are already tapping into it.

Technology stocks have been on a tear lately, mostly due to the industry's embrace of artificial intelligence. AI could add an estimated $15.7 trillion to global GDP by 2030, according to PwC, as companies integrate AI into everything from cloud computing to virtual assistants and e-commerce.

With nearly every tech company attempting to ride the AI wave right now, it can be difficult to parse out which will truly benefit and which are just following the pack. Here are five that are leading the way and will likely be good investments for years to come.

1. Nvidia

There's one big reason why Nvidia ( NVDA 2.26% ) is on every AI stock list: The company's sem

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