SoundHound AI has been one of the best-performing stocks on the market in the past year, registering stunning gains of 936% as of this writing, thanks to a combination of factors. SoundHound took off big time in February last year after it emerged that artificial intelligence (AI) giant Nvidia has a small stake in the company.

In 2024, a 13F filing revealed that semiconductor giant Nvidia has ownership positions in six publicly traded companies -- Applied Digital, Arm Holdings, Nano-X Imaging, Recursion Pharmaceuticals, Serve Robotics, and SoundHound AI.

SentinelOne (NYSE: S) went public with a bang in 2021. SentinelOne stock has recovered from its low point, but it remains around 70% below its record high. SentinelOne believes machines can respond to incidents faster than humans,

In SoundHound AI's conference call, management made the bold projection that its revenue would double in 2025. Additionally, it expects to reach EBITDA profitability by the end of 2025, which is a key milestone in achieving net income profitability. These projections ignited a massive run-up in SoundHound AI's stock, but is it still worth buying?