Investing perspectives vary on the current state of this artificial intelligence stock.Over the last year, Palantir Technologies (PLTR -2.04%) has emerged as one of the more closely followed names in artificial intelligence (AI). Thanks to the productivity gains achieved by the company's Artificial Intelligence Platform (AIP), the stock has increased by about 400% over the last year.Today, the question for investors is how they should approach the software-as-a-service (SaaS) stock. Three Motley Fool contri ...