Investors can cash in on the AI boom with these AI infrastructure plays.Artificial intelligence (AI) is a must-have technology for businesses to compete in the 21st century. It promises to lower costs, speed up product development, and automate tasks. This is why spending on AI infrastructure is expected to reach into the trillions in the next five years.The following companies provide the essential chips and servers for AI. Here's why investors could at least double their money in these stocks through the ...