The artificial intelligence (AI) opportunity for investors is beginning to expand beyond the most popular names in the industry.Investors might be familiar with artificial intelligence (AI) stocks like Nvidia and Microsoft. Nvidia designs the industry's most powerful data center chips for developing AI models, and Microsoft is a leader on the software side thanks in part to its $10 billion investment in ChatGPT creator OpenAI.But the AI opportunity is spreading like wildfire because companies of all sizes a ...