Artificial intelligence (AI)-led demand growth is helping drive the industrial stock higher.As counterintuitive as it might sound for a company that's ostensibly in the "old economy," the reality is that Caterpillar's (CAT +1.25%) stock is being supported by optimism over its long-term exposure to the artificial intelligence (AI)/data center investment theme. That's fine if you are looking for exposure to the theme, but you will need to balance that view with an overall appraisal of the stock's prospects.Ca ...