Artificial intelligence (AI) is Wall Street’s new obsession, with companies discussing the technology in a snowballing fashion and helping to keep market sentiment positive.Interestingly enough, there are several stocks investors can tap into for AI exposure, including Vertiv (VRT) , Digital Realty Trust (DLR) , Iron Mountain (IRM) , Modine Manufacturing (MOD) , and Comfort Systems USA (FIX) .For those interested in exposure to the technology, more specifically the data center side of things, let’s take a c ...