By Reuben Gregg Brewer
Publication Date: 2026-03-21 13:15:00
International Business Machines (IBM 1.56%) stock surged back to life over the last three years, more than doubling in value. That remains true despite a material pullback in 2026 as investors worry about the impact that artificial intelligence (AI) will have on its business. Here’s why now could still be a good time to buy IBM if you are a long-term investor.
International Business Machines changes with the times
The main reason to buy IBM now, after a recent drawdown, is the technology giant’s quantum computing business. While AI is the darling of Wall Street today, quantum is waiting in the wings to join, if not take over, the spotlight. AI uses massive amounts of computer power, and quantum has the potential to vastly increase the amount of computing power available.
Image source: Getty Images.
However, the reason to buy IBM stock isn’t directly related to quantum computing. That’s really a sign of a much bigger story. To understand IBM, you really need to go back about 100…