When it comes to the tech heavyweights in the artificial intelligence (AI) space, companies such as Nvidia, Microsoft, and Alphabet immediately come to mind. By contrast, legacy PC company Dell Technologies (DELL -0.16%) doesn't. But Dell stock is up 185% over the past year, and AI is driving its gains.Dell completed its fiscal 2024 on Feb. 2. For the year, the company's net revenue of $88.4 billion was down 14%, and its operating income was down 10% to $5.2 billion -- hardly the kind of financial results o ...