Is International Business Machines (IBM) a Buy?

Stock returns can happen fast when narratives change. International Business Machines (IBM) (IBM 0.18%) languished for years as a dinosaur technology company struggling to find its footing in a cloud-driven market.After declining steadily for the past decade, IBM has come alive due to its potential with artificial intelligence (AI). Shares are up 36% over the past year alone. There is legitimacy to IBM's revival, but investors must be careful not to overpay because there might be more hype than substance.Is ...